A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: controllers/Detect_lang.php

Line Number: 10

Backtrace:

File: C:\inetpub\wwwprod\tbboyeh\application\controllers\Detect_lang.php
Line: 10
Function: _error_handler

File: C:\inetpub\wwwprod\tbboyeh\index.php
Line: 315
Function: require_once