Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\MimeTypeGuesserInterface" not found in /users/danielstruebig/www/familyhelper/vendor/symfony/mime/FileinfoMimeTypeGuesser.php:23 Stack trace: #0 {main} thrown in /users/danielstruebig/www/familyhelper/vendor/symfony/mime/FileinfoMimeTypeGuesser.php on line 23