Fatal error: Uncaught Error: Interface "Sonata\BlockBundle\Meta\MetadataInterface" not found in /home/flighto/e-commerce/vendor/sonata-project/block-bundle/src/Meta/Metadata.php:19 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sonata-project/block-bundle/src/Meta/Metadata.php on line 19