Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Http\Authentication\AuthenticatorManagerInterface" not found in /home/marcgron/www/SSA/v2/vendor/symfony/security-http/Authentication/AuthenticatorManager.php:47 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/security-http/Authentication/AuthenticatorManager.php on line 47