Severity: Notice
Message: Undefined index: HTTP_REFERER
Filename: controllers/Cart.php
Line Number: 657
Backtrace:
File: /var/www/buyer/application/core/MY_Exceptions.php
Line: 190
Function: include
File: /var/www/buyer/application/controllers/Cart.php
Line: 657
Function: _error_handler
File: /var/www/buyer/index.php
Line: 333
Function: require_once