Fatal error: Uncaught Error: Interface 'Sonata\BlockBundle\Cache\HttpCacheHandlerInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/block-bundle/Cache/HttpCacheHandler.php:18 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/block-bundle/Cache/HttpCacheHandler.php on line 18