A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: libraries/Set_language_library.php

Line Number: 18

Backtrace:

File: /var/www/teknopar/data/www/teknopar.com.tr/application/libraries/Set_language_library.php
Line: 18
Function: _error_handler

File: /var/www/teknopar/data/www/teknopar.com.tr/application/core/MY_Controller.php
Line: 31
Function: __construct

File: /var/www/teknopar/data/www/teknopar.com.tr/index.php
Line: 263
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: libraries/Set_language_library.php

Line Number: 19

Backtrace:

File: /var/www/teknopar/data/www/teknopar.com.tr/application/libraries/Set_language_library.php
Line: 19
Function: _error_handler

File: /var/www/teknopar/data/www/teknopar.com.tr/application/core/MY_Controller.php
Line: 31
Function: __construct

File: /var/www/teknopar/data/www/teknopar.com.tr/index.php
Line: 263
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/teknopar/data/www/teknopar.com.tr/system/core/Exceptions.php:272)

Filename: controllers/Language.php

Line Number: 29

Backtrace:

File: /var/www/teknopar/data/www/teknopar.com.tr/application/controllers/Language.php
Line: 29
Function: header

File: /var/www/teknopar/data/www/teknopar.com.tr/index.php
Line: 263
Function: require_once