A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: core/MY_Lang.php

Line Number: 113

Backtrace:

File: /var/www/html/application/core/MY_Lang.php
Line: 113
Function: _error_handler

File: /var/www/html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/html/system/core/Exceptions.php:271)

Filename: core/MY_Lang.php

Line Number: 129

Backtrace:

File: /var/www/html/application/core/MY_Lang.php
Line: 129
Function: header

File: /var/www/html/index.php
Line: 315
Function: require_once