Step to reproduce :
With arch workbench :
- Create a part
- Create line
- Create wall from line
- Insert a windows. You'll get this first error message
14:34:20 Part::FeaturePython / Window: Links go out of the allowed scope
- Try to select the windows from treeview, you'll get the following error message :
14:34:23 0 Selection.cpp(1666): Sub-object Sans_nom#Part.Wall.Window. not found