Fatal error: Uncaught Error: Class "TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper" not found in /var/www/html/dev.hallescherfc.de/vendor/georgringer/news/Classes/ViewHelpers/IfIsActiveViewHelper.php:27 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/georgringer/news/Classes/ViewHelpers/IfIsActiveViewHelper.php on line 27