class PageNotFoundController extends PageNotFoundControllerCore
{
	public function initContent()
	{
		parent::initContent();
		header('HTTP/1.1 301 Moved Permanently');
		Tools::redirect('index.php');
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'PageNotFoundController' not found in /var/www/vhosts/schuhe-laner.at/dev.schuhe-laner.at/classes/controller/Controller.php:233
Stack trace:
#0 /var/www/vhosts/schuhe-laner.at/dev.schuhe-laner.at/classes/Dispatcher.php(510): ControllerCore::getController('PageNotFoundCon...')
#1 /var/www/vhosts/schuhe-laner.at/dev.schuhe-laner.at/index.php(28): DispatcherCore-&gt;dispatch()
#2 {main}
  thrown in <b>/var/www/vhosts/schuhe-laner.at/dev.schuhe-laner.at/classes/controller/Controller.php</b> on line <b>233</b><br />