A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: errors/404.php

Line Number: 3

Backtrace:

File: /home/zahutbtm1hcl/public_html/inscricao/application/views/errors/404.php
Line: 3
Function: _error_handler

File: /home/zahutbtm1hcl/public_html/inscricao/application/controllers/App.php
Line: 24
Function: view

File: /home/zahutbtm1hcl/public_html/inscricao/index.php
Line: 315
Function: require_once