A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: core/MY_Controller.php

Line Number: 489

Backtrace:

File: /homepages/10/d736807166/htdocs/application/core/MY_Controller.php
Line: 489
Function: _error_handler

File: /homepages/10/d736807166/htdocs/index.php
Line: 299
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /homepages/10/d736807166/htdocs/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /homepages/10/d736807166/htdocs/application/core/MY_Controller.php
Line: 492
Function: redirect

File: /homepages/10/d736807166/htdocs/index.php
Line: 299
Function: require_once