Fatal error: Uncaught Error: Interface 'Symfony\Component\Routing\Generator\UrlGeneratorInterface' not found in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/src/Routing/UrlGenerator.php:24 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/src/Routing/UrlGenerator.php on line 24