Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractTypeExtension" not found in /home/fotonoma/public_html/wallabag/vendor/kphoen/rulerz-bridge/Form/SpecTypeExtension.php:10 Stack trace: #0 {main} thrown in /home/fotonoma/public_html/wallabag/vendor/kphoen/rulerz-bridge/Form/SpecTypeExtension.php on line 10