Fatal error: Uncaught Error: Class "OCP\AppFramework\PublicShareController" not found in /home/tzuovhm/tzuovhm/apps_/files_sharing/lib/Controller/PublicPreviewController.php:24 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/files_sharing/lib/Controller/PublicPreviewController.php on line 24