Severity: Notice
Message: Undefined index: HTTP_REFERER
Filename: controllers/Question.php
Line Number: 145
Backtrace:
File: /data/www/wwwroot/dax/application/www/controllers/Question.php
Line: 145
Function: _error_handler
File: /data/www/wwwroot/dax/index.php
Line: 357
Function: require_once