Fatal error: Uncaught Error: Interface 'Sonata\MediaBundle\Security\DownloadStrategyInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Security/SessionDownloadStrategy.php:19 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Security/SessionDownloadStrategy.php on line 19