A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: controllers/Index_Controller.php

Line Number: 891

Backtrace:

File: /home/permissaoacesso/public_html/application/controllers/Index_Controller.php
Line: 891
Function: _error_handler

File: /home/permissaoacesso/public_html/index.php
Line: 354
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/permissaoacesso/public_html/system/core/Exceptions.php:271)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/permissaoacesso/public_html/application/controllers/Index_Controller.php
Line: 891
Function: redirect

File: /home/permissaoacesso/public_html/index.php
Line: 354
Function: require_once