A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/User.php

Line Number: 2434

Backtrace:

File: /home/538750.cloudwaysapps.com/ecqaskzuuw/public_html/application_ed538/controllers/User.php
Line: 2434
Function: _error_handler

File: /home/538750.cloudwaysapps.com/ecqaskzuuw/public_html/index.php
Line: 315
Function: require_once