Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu-bundle/src/DependencyInjection/KnpMenuExtension.php:13
Stack trace:
#0 {main}
thrown in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu-bundle/src/DependencyInjection/KnpMenuExtension.php on line 13