Fatal error: Uncaught Error: Class "OCP\Migration\SimpleMigrationStep" not found in /home/tzuovhm/tzuovhm/apps_/notes/lib/Migration/Version3005Date20200528204431.php:12 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/notes/lib/Migration/Version3005Date20200528204431.php on line 12