A PHP Error was encountered

Severity: Notice

Message: Undefined property: Cart_controller::$auth_user

Filename: controllers/Cart_controller.php

Line Number: 35

Backtrace:

File: /home/werdiy/public_html/application/controllers/Cart_controller.php
Line: 35
Function: _error_handler

File: /home/werdiy/public_html/index.php
Line: 328
Function: require_once