Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Http\Authenticator\AbstractPreAuthenticatedAuthenticator' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/security-http/Authenticator/RemoteUserAuthenticator.php:31 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/security-http/Authenticator/RemoteUserAuthenticator.php on line 31