Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/flighto/e-commerce/vendor/sonata-project/block-bundle/src/DependencyInjection/Configuration.php:26 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sonata-project/block-bundle/src/DependencyInjection/Configuration.php on line 26