A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: controllers/LanguageSwitcher.php

Line Number: 15

Backtrace:

File: /home3/aungnain/public_html/application/controllers/LanguageSwitcher.php
Line: 15
Function: _error_handler

File: /home3/aungnain/public_html/index.php
Line: 317
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home3/aungnain/public_html/application/models/Common_model.php:99)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home3/aungnain/public_html/application/controllers/LanguageSwitcher.php
Line: 15
Function: redirect

File: /home3/aungnain/public_html/index.php
Line: 317
Function: require_once