Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Generator\UrlGenerator' not found in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Routing/PageUrlGenerator.php:28 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Routing/PageUrlGenerator.php on line 28