Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\Exception\ExceptionInterface" not found in /srv/www/sites/public/starter-cms/vendor/symfony/mime/Exception/RfcComplianceException.php:17 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-cms/vendor/symfony/mime/Exception/RfcComplianceException.php on line 17