Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Http\Authenticator\AbstractLoginFormAuthenticator' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/security-http/Authenticator/FormLoginAuthenticator.php:43 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/security-http/Authenticator/FormLoginAuthenticator.php on line 43