Fatal error: Uncaught Error: Interface 'Symfony\Component\Notifier\Transport\TransportInterface' not found in /home/thomaeo/www/vendor/symfony/notifier/Transport/RoundRobinTransport.php:25 Stack trace: #0 {main} thrown in /home/thomaeo/www/vendor/symfony/notifier/Transport/RoundRobinTransport.php on line 25