Fatal error: Uncaught Error: Class 'Knp\Menu\Renderer\Renderer' not found in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu/src/Knp/Menu/Renderer/ListRenderer.php:11 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu/src/Knp/Menu/Renderer/ListRenderer.php on line 11