A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: public/NewsDetail.php

Line Number: 71

Backtrace:

File: /customers/d/7/1/frbb-liege-lux.be/httpd.www/application/views/public/NewsDetail.php
Line: 71
Function: _error_handler

File: /customers/d/7/1/frbb-liege-lux.be/httpd.www/application/views/public/template/Template.php
Line: 4
Function: view

File: /customers/d/7/1/frbb-liege-lux.be/httpd.www/application/controllers/Site.php
Line: 172
Function: view

File: /customers/d/7/1/frbb-liege-lux.be/httpd.www/index.php
Line: 315
Function: require_once