A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Principal.php

Line Number: 502

Backtrace:

File: D:\Inetpub\vhosts\odeonmulticines.com\httpdocs\application\controllers\Principal.php
Line: 502
Function: _error_handler

File: D:\Inetpub\vhosts\odeonmulticines.com\httpdocs\index.php
Line: 315
Function: require_once