Fatal error: Uncaught Error: Class 'Sonata\UserBundle\Model\User' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/user-bundle/Entity/BaseUser.php:20 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/user-bundle/Entity/BaseUser.php on line 20