A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: controllers/ControllerAuthentification.php

Line Number: 18

Backtrace:

File: /var/www/html/salesexpress/application/controllers/ControllerAuthentification.php
Line: 18
Function: _error_handler

File: /var/www/html/salesexpress/index.php
Line: 288
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: views/Authentification.php

Line Number: 6

Backtrace:

File: /var/www/html/salesexpress/application/views/Authentification.php
Line: 6
Function: _error_handler

File: /var/www/html/salesexpress/application/controllers/ControllerAuthentification.php
Line: 57
Function: view

File: /var/www/html/salesexpress/index.php
Line: 288
Function: require_once