Fatal error: Uncaught Error: Class "OCP\Migration\SimpleMigrationStep" not found in /home/tzuovhm/tzuovhm/nextcloud/apps/user_ldap/lib/Migration/Version1120Date20210917155206.php:23 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/apps/user_ldap/lib/Migration/Version1120Date20210917155206.php on line 23