A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Index.php

Line Number: 66

Backtrace:

File: C:\inetpub\wwwroot\fsqc\application\controllers\Index.php
Line: 66
Function: _error_handler

File: C:\inetpub\wwwroot\fsqc\index.php
Line: 315
Function: require_once