A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Auth.php

Line Number: 7

Backtrace:

File: D:\HOSTING\STAGING\ST_SKSOUQ\web\application\controllers\Auth.php
Line: 7
Function: _error_handler

File: D:\HOSTING\STAGING\ST_SKSOUQ\web\index.php
Line: 315
Function: require_once