Fatal error: Uncaught Error: Class 'TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Framework/Neos.FluidAdaptor/Classes/Core/ViewHelper/AbstractViewHelper.php:28 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Framework/Neos.FluidAdaptor/Classes/Core/ViewHelper/AbstractViewHelper.php on line 28