Fatal error: Uncaught Error: Interface 'Knp\Menu\Loader\LoaderInterface' not found in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu/src/Knp/Menu/Loader/ArrayLoader.php:13 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu/src/Knp/Menu/Loader/ArrayLoader.php on line 13