Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/gingerbrup/rappelapi/vendor/nelmio/api-doc-bundle/Nelmio/ApiDocBundle/DependencyInjection/Configuration.php:17 Stack trace: #0 {main} thrown in /home/gingerbrup/rappelapi/vendor/nelmio/api-doc-bundle/Nelmio/ApiDocBundle/DependencyInjection/Configuration.php on line 17