Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in /home/fotonoma/public_html/wallabag/vendor/craue/config-bundle/DependencyInjection/CraueConfigExtension.php:19 Stack trace: #0 {main} thrown in /home/fotonoma/public_html/wallabag/vendor/craue/config-bundle/DependencyInjection/CraueConfigExtension.php on line 19