A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: sga/Login.php

Line Number: 31

Backtrace:

File: /var/www/html/application/controllers/sga/Login.php
Line: 31
Function: _error_handler

File: /var/www/html/application/controllers/sga/Login.php
Line: 20
Function: detect_and_set_lang

File: /var/www/html/index.php
Line: 345
Function: require_once