Fatal error: Uncaught Error: Class "Knp\Menu\Renderer\Renderer" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/knplabs/knp-menu/src/Knp/Menu/Renderer/ListRenderer.php:11 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/knplabs/knp-menu/src/Knp/Menu/Renderer/ListRenderer.php on line 11