Fatal error: Uncaught Error: Interface 'Sonata\CoreBundle\Model\ManagerInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Model/MediaManagerInterface.php:20 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/media-bundle/Model/MediaManagerInterface.php on line 20