Fatal error: Uncaught Error: Interface 'Symfony\Bundle\FrameworkBundle\Routing\RouteLoaderInterface' not found in /home/benjamincb/demos/acdg-site/vendor/contao/manager-bundle/src/Routing/RouteLoader.php:23 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/manager-bundle/src/Routing/RouteLoader.php on line 23