A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/C_language.php

Line Number: 8

Backtrace:

File: /home/bstk8723/public_html/application/controllers/C_language.php
Line: 8
Function: _error_handler

File: /home/bstk8723/public_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 /home/bstk8723/public_html/system/core/Exceptions.php:271)

Filename: controllers/C_language.php

Line Number: 10

Backtrace:

File: /home/bstk8723/public_html/application/controllers/C_language.php
Line: 10
Function: header

File: /home/bstk8723/public_html/index.php
Line: 315
Function: require_once