Hi, I believe the issue is not within ACAPI_Element_Create, but with the CallUndoAbleCommand. The CallUndoAbleCommand scope encapsulates a series of undoable steps, normally database modification operations. In ModifyZonePos you delete the zone eleme...

Yes, it is indeed a bug. I made an entry for it. Let me know if this is a great deal for the project, and we will do our best to fix it.

Hello, Could you specify the version of ArchiCAD you are using?