Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Http\Logout\DefaultLogoutSuccessHandler' not found in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Security/Logout/LogoutSuccessHandler.php:25 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Security/Logout/LogoutSuccessHandler.php on line 25