Fatal error: Uncaught Error: Class "TYPO3\CMS\FrontendLogin\Event\AbstractConfirmedEvent" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-felogin/Classes/Event/LogoutConfirmedEvent.php:24 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-felogin/Classes/Event/LogoutConfirmedEvent.php on line 24