Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/Data.php
Line Number: 80
Backtrace:
File: /var/www/html/PC/MainSite/application/controllers/Data.php
Line: 80
Function: _error_handler
File: /var/www/html/PC/MainSite/index.php
Line: 315
Function: require_once
Severity: Warning
Message: Creating default object from empty value
Filename: controllers/Data.php
Line Number: 80
Backtrace:
File: /var/www/html/PC/MainSite/application/controllers/Data.php
Line: 80
Function: _error_handler
File: /var/www/html/PC/MainSite/index.php
Line: 315
Function: require_once
Severity: Notice
Message: Undefined property: stdClass::$add_file
Filename: controllers/Data.php
Line Number: 81
Backtrace:
File: /var/www/html/PC/MainSite/application/controllers/Data.php
Line: 81
Function: _error_handler
File: /var/www/html/PC/MainSite/index.php
Line: 315
Function: require_once
Severity: Notice
Message: Undefined property: stdClass::$title
Filename: data/textbook_detail.php
Line Number: 25
Backtrace:
File: /var/www/html/PC/MainSite/application/views/data/textbook_detail.php
Line: 25
Function: _error_handler
File: /var/www/html/PC/MainSite/application/core/MY_Controller.php
Line: 83
Function: view
File: /var/www/html/PC/MainSite/application/controllers/Data.php
Line: 97
Function: load_view
File: /var/www/html/PC/MainSite/index.php
Line: 315
Function: require_once
Severity: Notice
Message: Undefined property: stdClass::$content
Filename: data/textbook_detail.php
Line Number: 42
Backtrace:
File: /var/www/html/PC/MainSite/application/views/data/textbook_detail.php
Line: 42
Function: _error_handler
File: /var/www/html/PC/MainSite/application/core/MY_Controller.php
Line: 83
Function: view
File: /var/www/html/PC/MainSite/application/controllers/Data.php
Line: 97
Function: load_view
File: /var/www/html/PC/MainSite/index.php
Line: 315
Function: require_once