Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/palabrebel/www/kimai/vendor/jms/serializer-bundle/DependencyInjection/Configuration.php:14 Stack trace: #0 {main} thrown in /home/palabrebel/www/kimai/vendor/jms/serializer-bundle/DependencyInjection/Configuration.php on line 14