Fatal error: Uncaught Error: Class "OCA\User_LDAP\Migration\GroupMappingMigration" not found in /var/www/html/nextcloud/apps/user_ldap/lib/Migration/Version1130Date20220110154717.php:16 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/user_ldap/lib/Migration/Version1130Date20220110154717.php on line 16