[PyMOL] invalid namespace

[Criss H. <cri...@gm...>]

I am trying to compare two structures using the script colorbyrmsd.py.
If I "run colorbyrmsd.py obj1, obj2" I get an error "invalid namespace
'obj02' ". I don't know what this means. Can anyone help? Thanks.

-- 
Criss Hartzell