A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Index.php

Line Number: 199

Backtrace:

File: /home2/mekongcorpvn/public_html/mekongcorp.vn/application/controllers/Index.php
Line: 199
Function: _error_handler

File: /home2/mekongcorpvn/public_html/mekongcorp.vn/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 /home2/mekongcorpvn/public_html/mekongcorp.vn/system/core/Exceptions.php:272)

Filename: controllers/Index.php

Line Number: 199

Backtrace:

File: /home2/mekongcorpvn/public_html/mekongcorp.vn/application/controllers/Index.php
Line: 199
Function: header

File: /home2/mekongcorpvn/public_html/mekongcorp.vn/index.php
Line: 315
Function: require_once