Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /home/fotonoma/public_html/wallabag/vendor/scheb/two-factor-bundle/Security/TwoFactor/Event/Event.php:17 Stack trace: #0 {main} thrown in /home/fotonoma/public_html/wallabag/vendor/scheb/two-factor-bundle/Security/TwoFactor/Event/Event.php on line 17