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