hey, im new to inscape and im tring to save as dxf 14 but i cant this error massage 

what am i doing wrong and if any 1 can please help me 

Traceback (most recent call last):
  File "F:\inkscape\share\inkscape\extensions\dxf_outlines.py", line 443, in <module>
    DxfOutlines().run()
  File "F:\inkscape\share\inkscape\extensions\inkex\base.py", line 231, in run
    self.save_raw(self.effect())
  File "F:\inkscape\share\inkscape\extensions\dxf_outlines.py", line 403, in effect
    self.dxf_add(
  File "F:\inkscape\share\inkscape\extensions\dxf_outlines.py", line 111, in dxf_add
    self.dxf.append(str.encode(self.options.char_encode))
UnicodeEncodeError: 'latin-1' codec can't encode characters in position 72-75: ordinal not in range(256)

thank you in advenced

Too less info: https://inkscape.org/forums/questions/get-good-answers-here/