Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\CacheClearer\CacheClearerInterface' not found in /home/benjamincb/demos/acdg-site/vendor/contao/manager-bundle/src/Cache/BundleCacheClearer.php:19 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/manager-bundle/src/Cache/BundleCacheClearer.php on line 19