Fatal error: Uncaught Error: Interface 'Sonata\AdminBundle\Builder\FormContractorInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/doctrine-orm-admin-bundle/Builder/FormContractor.php:24 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/doctrine-orm-admin-bundle/Builder/FormContractor.php on line 24