Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Guard\AbstractGuardAuthenticator' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/security-guard/Authenticator/AbstractFormLoginAuthenticator.php:28 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/security-guard/Authenticator/AbstractFormLoginAuthenticator.php on line 28