Fatal error: Uncaught Error: Interface 'Knp\Menu\Renderer\RendererInterface' not found in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu/src/Knp/Menu/Renderer/TwigRenderer.php:9 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu/src/Knp/Menu/Renderer/TwigRenderer.php on line 9