Fatal error: Uncaught Error: Class "Doctrine\Common\DataFixtures\Loader" not found in /home/webvertising/public_html/seo.24marketing.nl/vendor/liip/test-fixtures-bundle/src/Services/SymfonyFixturesLoaderWrapper.php:20 Stack trace: #0 {main} thrown in /home/webvertising/public_html/seo.24marketing.nl/vendor/liip/test-fixtures-bundle/src/Services/SymfonyFixturesLoaderWrapper.php on line 20