Export error with addon Im trying to export a model for the Euro Truck Simulator 2 game with the Blender2SCS addon and I get the following error, any help?

Traceback (most recent call last):
  File "C:\Program Files\Blender Foundation\Blender\2.72\scripts\addons\io_scene
_scs\__init__.py", line 1951, in execute
    error = export_scs.save(filepath, origin_path, root_object, self.copy_textur
es, int(self.pmg_version))
  File "C:\Program Files\Blender Foundation\Blender\2.72\scripts\addons\io_scene
_scs\export_scs.py", line 27, in save
    status, ob = export_pmd.save(exportpath, originpath, root_ob, copy_textures)

  File "C:\Program Files\Blender Foundation\Blender\2.72\scripts\addons\io_scene
_scs\export_pmd.py", line 305, in save
    pmd.write(f, exportpath, originpath, copy_tex)
  File "C:\Program Files\Blender Foundation\Blender\2.72\scripts\addons\io_scene
_scs\export_pmd.py", line 267, in write
    ret_ob = exp_mat.write(copy_tex)
  File "C:\Program Files\Blender Foundation\Blender\2.72\scripts\addons\io_scene
_scs\export_mat.py", line 91, in write
    for option in self.__options.keys():
AttributeError: 'str' object has no attribute 'keys'

location: &lt;unknown location&gt;:-1

location: &lt;unknown location&gt;:-1
The addon seems to be broken due to api changes in Blender, either use the addons bug tracker or try an older version of Blender that is compatible. According to the video tutorials version 2.66 was used.