Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/gingerbrup/urban/vendor/tetranz/select2entity-bundle/Tetranz/Select2EntityBundle/DependencyInjection/Configuration.php:13 Stack trace: #0 {main} thrown in /home/gingerbrup/urban/vendor/tetranz/select2entity-bundle/Tetranz/Select2EntityBundle/DependencyInjection/Configuration.php on line 13