Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Transport\Smtp\Auth\AuthenticatorInterface" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/mailer/Transport/Smtp/Auth/LoginAuthenticator.php:21 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/symfony/mailer/Transport/Smtp/Auth/LoginAuthenticator.php on line 21