Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface' not found in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu-bundle/src/DependencyInjection/Compiler/MenuBuilderPass.php:15 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu-bundle/src/DependencyInjection/Compiler/MenuBuilderPass.php on line 15