Fatal error: Uncaught Error: Class 'Sonata\BlockBundle\Model\BaseBlock' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/block-bundle/Model/Block.php:16 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/block-bundle/Model/Block.php on line 16