Fatal error: Uncaught Error: Class 'Neos\Flow\Mvc\View\JsonView' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Application/Neos.Neos/Classes/View/Service/WorkspaceJsonView.php:24 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Application/Neos.Neos/Classes/View/Service/WorkspaceJsonView.php on line 24