Fatal error: Uncaught Error: Class 'Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Form/ChoiceList/ModelChoiceList.php:28 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Form/ChoiceList/ModelChoiceList.php on line 28