Kubotek Forum

Are you using the latest (2023 SP1) version? There is a bug in the 2023 SP0 version that if you drag a level into (or out of?) its original location in the level list while it is not displayed, objects on that level can "disappear". Obviously if you didn't do this then this issue is moot, however if you did or aren't sure, the fix is to set that "invisible" level to display and then drag it to another level that is already displayed/on.