A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/republik/public_html/aplicatie/ap_application/controllers/Index.php:121)

Filename: core/Common.php

Line Number: 570

A PHP Error was encountered

Severity: Error

Message: Call to undefined method Index::error_404()

Filename: controllers/Index.php

Line Number: 121