( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.263612372712_error_handler( $severity = 8, $message = 'Undefined offset: 0', $filepath = '/home/Code/kongnpark/application/controllers/Books.php', $line = 152, ['isbn' => '9781635190182', 'ttmik' => '', 'navi' => NULL, 'books_json' => '[\n {\n "_id": {"$oid": "5fcf7a25a4e91bc6168fca4c"},\n "author": "장선용",\n "book_weight": "0",\n "books_additional": {\n "isbn": "9788973002955",\n "imprint": null,\n "edition_Number": null,\n "edition_description": null,\n "title_group_primary_isbn": null,\n "isbn_of_previous_edition": null,\n "binding": "BC",\n "usd": "18.95",\n "gbp": null,\n "eur": null,\n "con1_first_name": "Chang",\n "con1_middle_name": null,\n "con1_last_name": "Sun-you'..., 'books_arr' => [0 => [...], 1 => [...], 2 => [...], 3 => [...], 4 => [...], 5 => [...], 6 => [...], 7 => [...], 8 => [...], 9 => [...], 10 => [...], 11 => [...], 12 => [...], 13 => [...], 14 => [...], 15 => [...], 16 => [...], 17 => [...], 18 => [...], 19 => [...], 20 => [...], 21 => [...], 22 => [...], 23 => [...], 24 => [...], 25 => [...], 26 => [...], 27 => [...], 28 => [...], 29 => [...], 30 => [...], 31 => [...], 32 => [...], 33 => [...], 34 => [...], 35 => [...], 36 => [...], 37 => [...], 38 => [...], 39 => [...], 40 => [...], 41 => [...], 42 => [...], 43 => [...], 44 => [...], 45 => [...], 46 => [...], 47 => [...], 48 => [...], 49 => [...], 50 => [...], 51 => [...], 52 => [...], 53 => [...], 54 => [...], 55 => [...], 56 => [...], 57 => [...], 58 => [...], 59 => [...], 60 => [...], 61 => [...], 62 => [...], 63 => [...], 64 => [...], 65 => [...], 66 => [...], 67 => [...], 68 => [...], 69 => [...], 70 => [...], 71 => [...], 72 => [...], 73 => [...], 74 => [...], 75 => [...], 76 => [...], 77 => [...], 78 => [...], 79 => [...], 80 => [...], 81 => [...], 82 => [...], 83 => [...], 84 => [...], 85 => [...], 86 => [...], 87 => [...], 88 => [...], 89 => [...], 90 => [...], 91 => [...], 92 => [...], 93 => [...], 94 => [...], 95 => [...], 96 => [...], 97 => [...], 98 => [...], 99 => [...], 100 => [...], 101 => [...], 102 => [...], 103 => [...], 104 => [...], 105 => [...], 106 => [...], 107 => [...], 108 => [...], 109 => [...], 110 => [...], 111 => [...], 112 => [...], 113 => [...], 114 => [...], 115 => [...], 116 => [...], 117 => [...], 118 => [...], 119 => [...], 120 => [...], 121 => [...], 122 => [...], 123 => [...], 124 => [...], 125 => [...], 126 => [...], 127 => [...], ...], 'search_arr' => [], 'v' => ['_id' => [...], 'author' => '김은아', 'book_weight' => '588', 'books_additional' => [...], 'category_id' => '530909', 'category_name' => '한국소개도서 > 한국어학습 > 한국어학습 일반', 'consignment_state' => '1', 'country' => 'KOR', 'created_at' => '2025-05-02', 'currency_idx' => 6, 'ddc' => '', 'ea_add_code' => '04710', 'edition_stmt' => '초판', 'img_url' => 'https://contents.kyobobook.co.kr/sih/pdt/fit-in/458x687/9788952132192.jpg', 'introduction' => '한국어 학습에 많은 시간을 할애하기 어려운 학습자들이 쉽고 가볍게 한국어를 배우고 익힐 수 있도록 구성한 자율학습용 교재 시리즈 “50일 완성 한국어” 시리즈의 첫 권으로, 학습 완료 시 TOPIK 1급 수준의 한국어 구사가 가능한 난이도로 집필되었다. 네 페이지로 구성된 한 과는 부담 없이 매일 학습이 가능하며, ‘듣기 → 말하기 → 읽기 → 쓰기’의 단계적 구성을 통해 자연스럽'..., 'isbn' => '9788952132192', 'isbn10' => '895213219X', 'kdc' => '710', 'link_url' => 'https://product.kyobobook.co.kr/detail/S000216369528', 'list_price' => 16000, 'p_source' => 'D', 'p_type' => 'BOOK', 'page_count' => 288, 'publication_date' => '2025-04-30', 'publisher' => '서울대학교출판문화원', 'publisher_code' => '70233', 'publisher_comment' => '', 'sale_state' => '1', 'saleprice' => 14400, 'seneca_size' => '15', 'series_no' => '', 'series_title' => '', 'set_add_code' => '', 'set_expression' => 1, 'set_isbn' => '', 'subtitle' => '', 'title' => '50 Days of Korean(50일 완성 한국어) 1', 'toc' => '머리말교재 구성01 안녕하세요? Hello!02 다니엘 하임이에요 I’m Daniel Heim03 저는 독일 사람이에요 I’m German04 저는 학생이 아니에요 I’m Not a Student05 지금 공부해요 I’m Studying Right Now06 커피를 좋아해요 I Like Coffee07 고기를 안 먹어요 I Don’t Eat Meat08 집에 가요 I’m Going Home09 집에서 밥을 먹어요 I Eat Meals at Home10 오늘 수업이 없어요 I Don’t Have Class Today11 물냉면 주세요 I Would Like Some Mul-Naengmy'..., 'trim_height' => '231', 'trim_width' => '169'], 'k' => 367, 'pos' => FALSE] ).../Books.php:152
50.263912373504CI_Exceptions->show_php_error( $severity = 8, $message = 'Undefined offset: 0', $filepath = '/home/Code/kongnpark/application/controllers/Books.php', $line = 152 ).../Common.php:623
60.264012390928include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Undefined offset: 0

Introducing Korean Books to the World! | KONG&PARK
  2. Books


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.317712626704_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 26, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:26
90.317712626704CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 26 ).../Common.php:623
100.317712644504include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null



( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.318512643088_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 26, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:26
90.318512643088CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 26 ).../Common.php:623
100.318512660888include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

AUTHOR :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.319212659472_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:29
90.319212659472CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29 ).../Common.php:623
100.319312677272include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.320012679952_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:29
90.320012679952CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29 ).../Common.php:623
100.320112697752include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.320712700432_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:29
90.320812700432CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29 ).../Common.php:623
100.320812718232include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.321712720912_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:29
90.321812720912CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29 ).../Common.php:623
100.321812738712include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.322512741392_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:29
90.322512741392CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29 ).../Common.php:623
100.322612759192include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.323312761872_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:29
90.323312761872CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 29 ).../Common.php:623
100.323312779672include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.324112782352_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 30, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:30
90.324112782352CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 30 ).../Common.php:623
100.324112800152include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.324912802832_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 30, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:30
90.324912802832CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 30 ).../Common.php:623
100.324912820632include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

ISBN :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.325712823312_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 35, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:35
90.325812823312CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 35 ).../Common.php:623
100.325812841112include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

PUBLISHER :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.326512843792_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 38, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:38
90.326512843792CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 38 ).../Common.php:623
100.326512861592include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

PUBLICATION DATE :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.327312868368_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 43, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL] ).../view_v.php:43
90.327312868368CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 43 ).../Common.php:623
100.327312886168include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

July 11 ,2025,
SPINE SIZE :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.328312889184_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 48, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:48
90.328312889184CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 48 ).../Common.php:623
100.328312906984include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

0 inches
PAGES :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.328912909720_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 51, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:51
90.328912909720CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 51 ).../Common.php:623
100.329012927520include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

SIZE :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.329412930200_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 54, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:54
90.329412930200CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 54 ).../Common.php:623
100.329412948000include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

0 *


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.329912950680_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 54, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:54
90.329912950680CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 54 ).../Common.php:623
100.329912968480include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

0 inches
WEIGHT :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.330312971160_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 57, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:57
90.330312971160CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 57 ).../Common.php:623
100.330312988960include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

0 pounds
CATON QTY :


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.330812991640_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 60, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:60
90.330812991640CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 60 ).../Common.php:623
100.330813009440include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.331213012120_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 60, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:60
90.331313012120CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 60 ).../Common.php:623
100.331313029920include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

PRICE : $


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.331713032600_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 63, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:63
90.331713032600CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 63 ).../Common.php:623
100.331813050400include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.332213053080_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 63, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:63
90.332213053080CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 63 ).../Common.php:623
100.332213070880include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.332613077656_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 82, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:82
90.332613077656CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 82 ).../Common.php:623
100.332713095456include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.333113098136_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 82, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:82
90.333113098136CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 82 ).../Common.php:623
100.333113115936include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null





( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.333513118616_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:85
90.333513118616CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85 ).../Common.php:623
100.333613136416include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.334013139096_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:85
90.334013139096CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85 ).../Common.php:623
100.334013156896include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.334413159576_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:85
90.334413159576CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85 ).../Common.php:623
100.334413177376include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.334913180056_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:85
90.334913180056CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85 ).../Common.php:623
100.334913197856include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.335313200536_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:85
90.335313200536CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85 ).../Common.php:623
100.335313218336include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.335813225112_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:85
90.335813225112CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 85 ).../Common.php:623
100.335813242912include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.336313245592_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 86, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:86
90.336313245592CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 86 ).../Common.php:623
100.336313263392include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.336713266072_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 86, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:86
90.336713266072CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 86 ).../Common.php:623
100.336713283872include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.337213286552_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:89
90.337213286552CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89 ).../Common.php:623
100.337213304352include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.337613307032_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:89
90.337613307032CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89 ).../Common.php:623
100.337613324832include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.338113327512_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:89
90.338113327512CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89 ).../Common.php:623
100.338113345312include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.338513347992_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:89
90.338513347992CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89 ).../Common.php:623
100.338513365792include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.339013368472_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:89
90.339013368472CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89 ).../Common.php:623
100.339013386272include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.339413388952_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:89
90.339413388952CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 89 ).../Common.php:623
100.339413406752include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.339913409432_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 90, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:90
90.339913409432CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 90 ).../Common.php:623
100.339913427232include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.340313429912_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 90, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:90
90.340313429912CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 90 ).../Common.php:623
100.340313447712include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.340813454488_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 95, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:95
90.340813454488CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 95 ).../Common.php:623
100.340813472288include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.341213474968_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 95, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:95
90.341213474968CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 95 ).../Common.php:623
100.341213492768include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.341913495448_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 98, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:98
90.341913495448CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 98 ).../Common.php:623
100.341913513248include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null


( ! ) Notice: Undefined variable: heading in /home/Code/kongnpark/application/views/errors/html/error_php.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.2009357984{main}( ).../index.php:0
20.2011361096require_once( '/home/Code/kongnpark/system/core/CodeIgniter.php ).../index.php:334
30.2241590520Books->view( '9781635190182' ).../CodeIgniter.php:532
40.268512579144MY_Controller->layout_view( $data1 = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $content = 'books/view_v', $layouut_arr = ['layout' => 'layout_sub01_v'] ).../Books.php:159
50.316612582912CI_Loader->view( $view = 'basic/books/view_v', $vars = ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL], $return = TRUE ).../MY_Controller.php:92
60.316612583288CI_Loader->_ci_load( $_ci_data = ['_ci_view' => 'basic/books/view_v', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE] ).../Loader.php:489
70.316712602728include( '/home/Code/kongnpark/application/views/basic/books/view_v.php ).../Loader.php:962
80.342313515928_error_handler( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 98, ['_ci_data' => ['_ci_view' => 'basic/books/view_v', '_ci_vars' => [...], '_ci_return' => TRUE], '_ci_val' => '_ci_return', 'file_exists' => TRUE, '_ci_path' => '/home/Code/kongnpark/application/views/basic/books/view_v.php', '_ci_file' => 'basic/books/view_v.php', '_ci_ext' => '', '_ci_view' => 'basic/books/view_v', 'cascade' => TRUE, '_ci_view_file' => '/home/Code/kongnpark/application/views/', '_ci_CI' => class Books { public $layout_v = NULL; public $top_v = NULL; public $left_v = NULL; public $bottom_v = NULL; public $script_v = NULL; public $use_lan = 'english'; public $benchmark = class CI_Benchmark { ... }; public $hooks = class CI_Hooks { ... }; public $config = class CI_Config { ... }; public $log = class CI_Log { ... }; public $utf8 = class CI_Utf8 { ... }; public $uri = class CI_URI { ... }; public $router = class CI_Router { ... }; public $output = class CI_Output { ... }; public $security = class CI_Security { ... }; public $input = class CI_Input { ... }; public $lang = class CI_Lang { ... }; public $load = class CI_Loader { ... }; public $db = class CI_DB_mysqli_driver { ... }; public $session = class CI_Session { ... }; public $filecontrol = class FileControl { ... }; public $logcontrol = class LogControl { ... }; public $common_m = class Common_m { ... }; public $agent = class CI_User_agent { ... }; public $books_m = class Books_m { ... } }, '_ci_var' => class Books_m { }, '_ci_key' => 'books_m', '_ci_vars' => ['book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [...], 'file_path' => NULL], '_ci_return' => TRUE, 'book' => NULL, 'navi' => NULL, 'ttmik' => '', 'country_list' => [0 => class stdClass { ... }, 1 => class stdClass { ... }, 2 => class stdClass { ... }, 3 => class stdClass { ... }, 4 => class stdClass { ... }, 5 => class stdClass { ... }, 6 => class stdClass { ... }, 7 => class stdClass { ... }, 8 => class stdClass { ... }, 9 => class stdClass { ... }, 10 => class stdClass { ... }, 11 => class stdClass { ... }, 12 => class stdClass { ... }, 13 => class stdClass { ... }, 14 => class stdClass { ... }, 15 => class stdClass { ... }, 16 => class stdClass { ... }, 17 => class stdClass { ... }, 18 => class stdClass { ... }, 19 => class stdClass { ... }, 20 => class stdClass { ... }, 21 => class stdClass { ... }, 22 => class stdClass { ... }, 23 => class stdClass { ... }, 24 => class stdClass { ... }, 25 => class stdClass { ... }, 26 => class stdClass { ... }, 27 => class stdClass { ... }, 28 => class stdClass { ... }, 29 => class stdClass { ... }, 30 => class stdClass { ... }, 31 => class stdClass { ... }, 32 => class stdClass { ... }, 33 => class stdClass { ... }, 34 => class stdClass { ... }, 35 => class stdClass { ... }, 36 => class stdClass { ... }, 37 => class stdClass { ... }, 38 => class stdClass { ... }, 39 => class stdClass { ... }, 40 => class stdClass { ... }, 41 => class stdClass { ... }, 42 => class stdClass { ... }, 43 => class stdClass { ... }, 44 => class stdClass { ... }, 45 => class stdClass { ... }, 46 => class stdClass { ... }, 47 => class stdClass { ... }, 48 => class stdClass { ... }, 49 => class stdClass { ... }, 50 => class stdClass { ... }, 51 => class stdClass { ... }, 52 => class stdClass { ... }, 53 => class stdClass { ... }, 54 => class stdClass { ... }, 55 => class stdClass { ... }, 56 => class stdClass { ... }, 57 => class stdClass { ... }, 58 => class stdClass { ... }, 59 => class stdClass { ... }, 60 => class stdClass { ... }, 61 => class stdClass { ... }, 62 => class stdClass { ... }, 63 => class stdClass { ... }, 64 => class stdClass { ... }, 65 => class stdClass { ... }, 66 => class stdClass { ... }, 67 => class stdClass { ... }, 68 => class stdClass { ... }, 69 => class stdClass { ... }, 70 => class stdClass { ... }, 71 => class stdClass { ... }, 72 => class stdClass { ... }, 73 => class stdClass { ... }, 74 => class stdClass { ... }, 75 => class stdClass { ... }, 76 => class stdClass { ... }, 77 => class stdClass { ... }, 78 => class stdClass { ... }, 79 => class stdClass { ... }, 80 => class stdClass { ... }, 81 => class stdClass { ... }, 82 => class stdClass { ... }, 83 => class stdClass { ... }, 84 => class stdClass { ... }, 85 => class stdClass { ... }, 86 => class stdClass { ... }, 87 => class stdClass { ... }, 88 => class stdClass { ... }, 89 => class stdClass { ... }, 90 => class stdClass { ... }, 91 => class stdClass { ... }, 92 => class stdClass { ... }, 93 => class stdClass { ... }, 94 => class stdClass { ... }, 95 => class stdClass { ... }, 96 => class stdClass { ... }, 97 => class stdClass { ... }, 98 => class stdClass { ... }, 99 => class stdClass { ... }, 100 => class stdClass { ... }, 101 => class stdClass { ... }, 102 => class stdClass { ... }, 103 => class stdClass { ... }, 104 => class stdClass { ... }, 105 => class stdClass { ... }, 106 => class stdClass { ... }, 107 => class stdClass { ... }, 108 => class stdClass { ... }, 109 => class stdClass { ... }, 110 => class stdClass { ... }, 111 => class stdClass { ... }, 112 => class stdClass { ... }, 113 => class stdClass { ... }, 114 => class stdClass { ... }, 115 => class stdClass { ... }, 116 => class stdClass { ... }, 117 => class stdClass { ... }, 118 => class stdClass { ... }, 119 => class stdClass { ... }, 120 => class stdClass { ... }, 121 => class stdClass { ... }, 122 => class stdClass { ... }, 123 => class stdClass { ... }, 124 => class stdClass { ... }, 125 => class stdClass { ... }, 126 => class stdClass { ... }, 127 => class stdClass { ... }, ...], 'file_path' => NULL, 'date' => class DateTime { public $date = '2025-07-11 09:29:35.226155'; public $timezone_type = 3; public $timezone = 'Asia/Seoul' }] ).../view_v.php:98
90.342313515928CI_Exceptions->show_php_error( $severity = 8, $message = 'Trying to access array offset on value of type null', $filepath = '/home/Code/kongnpark/application/views/basic/books/view_v.php', $line = 98 ).../Common.php:623
100.342313533728include( '/home/Code/kongnpark/application/views/errors/html/error_php.php ).../Exceptions.php:268

Trying to access array offset on value of type null

ANTIQUES & COLLECTIBLES

ART

BIOGRAPHY & AUTOBIOGRAPHY

BODY, MIND & SPIRIT

BUSINESS & ECONOMICS

COOKING

EDUCATION

FAMILY & RELATIONSHIPS

FOREIGN LANGUAGE STUDY

HEALTH & FITNESS

HISTORY

LANGUAGE ARTS & DISCIPLINES

LAW

LITERARY COLLECTIONS

MEDICAL

MUSIC

PHILOSOPHY

POETRY

POLITICAL SCIENCE

REFERENCE

RELIGION

SCIENCE

SOCIAL SCIENCE

SPORTS & RECREATION

STUDY AIDS

TECHNOLOGY & ENGINEERING