Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in /home/benjamincb/demos/acdg-site/vendor/contao/manager-bundle/src/HttpKernel/ContaoKernel.php:38 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/manager-bundle/src/HttpKernel/ContaoKernel.php on line 38