A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: views/news_detail.php

Line Number: 28

Backtrace:

File: /home3/plnggcom/public_html/application/modules/news/views/news_detail.php
Line: 28
Function: _error_handler

File: /home3/plnggcom/public_html/application/core/View.php
Line: 71
Function: include

File: /home3/plnggcom/public_html/application/core/FrontController.php
Line: 39
Function: show

File: /home3/plnggcom/public_html/application/modules/news/controllers/News.php
Line: 31
Function: view

File: /home3/plnggcom/public_html/application/controllers/Bootstrap.php
Line: 192
Function: news_detail

File: /home3/plnggcom/public_html/index.php
Line: 292
Function: require_once