Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\MailerInterface" not found in /home/ashraf.helioho.st/waken.helioho.st/user/plugins/email/vendor/symfony/mailer/Mailer.php:29 Stack trace: #0 {main} thrown in /home/ashraf.helioho.st/waken.helioho.st/user/plugins/email/vendor/symfony/mailer/Mailer.php on line 29