problems mhclothes in blender

[crimson77]

i'm totally new to MH and blender, i recently put in the addon for MH makeclothes for blender. i did best i could to follow directions from http://www.makehuman.org/node/228. i've tried it several time and finally got the icon to show properly in MH but when i try to add the clothes i get the following code showing in the console. Nothing happens at this point, the shirt doesn't attach to model.

*** code showing after clicking to add clothes to mh model***

traceback <most recent call last>:
file"./core\gui3d.py", line 167, in onmouseupcallback self.mousedownobject.callevent<'onclicked',event>
file"./core\gui3d.py", line 167, in callevent getattr>sef, eventtype><event>
file "./core\gui3d.py", line 399, in onclicked self.__view<>.callevent<'onclicked', event>
file "./core\events3d.py", line 167, in callevent getattr<self, eventtype><event>
file "./core\gui3d.py", line 2410, in onclicked self.parent.callevent<'onfileselected", self.file>
file ".core\events3d.py", line 167, in callevent getattr<self, eventtype><event>
file "plugins\3_libraries_clothes_chooser.py", line 61, in onfileselected self.setclothes<gui3d.app.selectedhuman, filename>
file "plugins\3_libraries_clothes_chooser.py", line93 in setclothes <folder, name> = proxy.obj_file
typeerror: 'nonetype' object is not iterable

*** end error code***

if some one could tell me what this means or how to fix it i would appreciate it. i did take notes on how i did the steps to get this far, if that would help.