Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\Definition\ConfigurationInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/seo-bundle/DependencyInjection/Configuration.php:11 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/seo-bundle/DependencyInjection/Configuration.php on line 11