Fatal error: Uncaught Error: Class 'Sonata\AdminBundle\Admin\BaseFieldDescription' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/doctrine-orm-admin-bundle/Admin/FieldDescription.php:16 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/doctrine-orm-admin-bundle/Admin/FieldDescription.php on line 16