Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\User\UserInterface" not found in /home/marcgron/www/SSA/v2/vendor/symfony/security-core/User/OAuth2User.php:17 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/security-core/User/OAuth2User.php on line 17