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