Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Transport\Smtp\Auth\AuthenticatorInterface" not found in /home/rcmch/test.m-s-i.ch/vendor/symfony/mailer/Transport/Smtp/Auth/XOAuth2Authenticator.php:23 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/symfony/mailer/Transport/Smtp/Auth/XOAuth2Authenticator.php on line 23