Severity: Notice
Message: Undefined variable: data
Filename: controllers/Books.php
Line Number: 161
Backtrace:
File: /var/www/html/catalog/application/modules/page/controllers/Books.php
Line: 161
Function: _error_handler
File: /var/www/html/catalog/index.php
Line: 320
Function: require_once
Severity: Warning
Message: count(): Parameter must be an array or an object that implements Countable
Filename: controllers/Books.php
Line Number: 161
Backtrace:
File: /var/www/html/catalog/application/modules/page/controllers/Books.php
Line: 161
Function: _error_handler
File: /var/www/html/catalog/index.php
Line: 320
Function: require_once
