Fatal error: Uncaught Error: Interface 'Symfony\Component\Mailer\Transport\TransportInterface' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/mailer/Transport/AbstractTransport.php:29 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/mailer/Transport/AbstractTransport.php on line 29