Fatal error: Uncaught Error: Interface 'Sonata\NotificationBundle\Consumer\ConsumerInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/notification-bundle/Consumer/SwiftMailerConsumer.php:16 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/notification-bundle/Consumer/SwiftMailerConsumer.php on line 16