A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/LanguageSwitcher.php

Line Number: 16

Backtrace:

File: /www/wwwroot/programari.topanel.ro/application/controllers/LanguageSwitcher.php
Line: 16
Function: _error_handler

File: /www/wwwroot/programari.topanel.ro/index.php
Line: 315
Function: require_once