A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: core/MY_Controller.php

Line Number: 82

Backtrace:

File: /home/demirrul/public_html/application/core/MY_Controller.php
Line: 82
Function: _error_handler

File: /home/demirrul/public_html/application/core/MY_Controller.php
Line: 30
Function: configureLanguage

File: /home/demirrul/public_html/index.php
Line: 315
Function: require_once