Fatal error: Uncaught Error: Interface 'Sonata\AdminBundle\Admin\FieldDescriptionInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Admin/BaseFieldDescription.php:60 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Admin/BaseFieldDescription.php on line 60