A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Cart.php

Line Number: 258

Backtrace:

File: /home/gfnatureli/domains/gfnaturelife.com/public_html/application/controllers/Cart.php
Line: 258
Function: _error_handler

File: /home/gfnatureli/domains/gfnaturelife.com/public_html/index.php
Line: 316
Function: require_once