Fatal error: Uncaught Error: Interface 'Sonata\BlockBundle\Exception\Strategy\StrategyManagerInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/block-bundle/Exception/Strategy/StrategyManager.php:25 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/block-bundle/Exception/Strategy/StrategyManager.php on line 25