Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/webvertising/public_html/seo.24marketing.nl/vendor/liip/test-fixtures-bundle/src/DependencyInjection/LiipTestFixturesExtension.php:21 Stack trace: #0 {main} thrown in /home/webvertising/public_html/seo.24marketing.nl/vendor/liip/test-fixtures-bundle/src/DependencyInjection/LiipTestFixturesExtension.php on line 21