Fatal error: Uncaught Error: Interface "Sonata\BlockBundle\Model\BlockInterface" not found in /home/flighto/e-commerce/vendor/sonata-project/block-bundle/src/Model/BaseBlock.php:21 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sonata-project/block-bundle/src/Model/BaseBlock.php on line 21