Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Transport\Smtp\Auth\AuthenticatorInterface" not found in /var/www/html/booking/vendor/symfony/mailer/Transport/Smtp/Auth/CramMd5Authenticator.php:22 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/symfony/mailer/Transport/Smtp/Auth/CramMd5Authenticator.php on line 22