Fatal error: Uncaught Error: Class "Twig\Extension\AbstractExtension" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/knplabs/knp-menu/src/Knp/Menu/Twig/MenuExtension.php:13 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/knplabs/knp-menu/src/Knp/Menu/Twig/MenuExtension.php on line 13