Error

Exception during event onFileSelected
Traceback (most recent call last):
  File "core\events3d.py", line 211, in callEvent
  File "apps\gui\proxychooser.py", line 163, in onFileSelected
  File "apps\gui\proxychooser.py", line 240, in proxyFileSelected
  File "core\mhmain.py", line 858, in do
  File "apps\gui\proxychooser.py", line 60, in do
  File "plugins/3_libraries_proxy_chooser.py", line 115, in selectProxy
    mesh,obj = pxy.loadMeshAndObject(self.human)
  File "shared\proxy.py", line 162, in loadMeshAndObject
  File "shared\proxy.py", line 126, in obj_file
  File "shared\proxy.py", line 1037, in _getFilePath
  File "ntpath.py", line 200, in splitext
  File "genericpath.py", line 99, in _splitext
AttributeError: 'NoneType' object has no attribute 'rfind'