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