Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage' not found in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Session/MockNativeSessionStorage.php:20 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Session/MockNativeSessionStorage.php on line 20