ORD 2021 R1
In the "Create Template" or "Edit Template Drop" if you do this:
1)Right-click "Add New Component"--- Constrained.
Insert the first and the second point.
2) Delete the second point.
3) Go to the Point properties of the first point. That window properties should show a blank "Member of" when it is still remembering its TC...
You must close the "Create Template" or "Edit Template Drop" to refresh it..
Because the first point will be now a "Null Point".