Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/webvertising/public_html/seo.24marketing.nl/vendor/liip/test-fixtures-bundle/src/DependencyInjection/Configuration.php:22 Stack trace: #0 {main} thrown in /home/webvertising/public_html/seo.24marketing.nl/vendor/liip/test-fixtures-bundle/src/DependencyInjection/Configuration.php on line 22