A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Index_Service.php

Line Number: 12

Backtrace:

File: D:\PHP\stccorp.co.kr\application\controllers\Index_Service.php
Line: 12
Function: _error_handler

File: D:\PHP\stccorp.co.kr\index.php
Line: 315
Function: require_once