Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractType" not found in /home/fotonoma/public_html/wallabag/vendor/craue/config-bundle/Form/ModifySettingsForm.php:15 Stack trace: #0 {main} thrown in /home/fotonoma/public_html/wallabag/vendor/craue/config-bundle/Form/ModifySettingsForm.php on line 15