Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Exception\LogicException" not found in /srv/www/sites/public/starter-cms/vendor/symfony/mailer/Exception/UnsupportedSchemeException.php:20 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-cms/vendor/symfony/mailer/Exception/UnsupportedSchemeException.php on line 20