Modelling - Niftools(problems when exporting)

[Cohengarcez]

So, i started moddeling recently. I am trying to just make a helmet and i am having some issues export it's mesh.

I am on a Ubuntu - Linux. Blender 3.6, when i try to export i receive the following bug report.

"Python: Traceback (most recent call last):
  File "/home/mauro/.config/blender/3.6/scripts/addons/io_scene_niftools/operators/nif_export_op.py", line 148, in execute
    return NifExport(self, context).execute()
  File "/home/mauro/.config/blender/3.6/scripts/addons/io_scene_niftools/nif_export.py", line 273, in execute
    data.write(stream)
  File "/home/mauro/.config/blender/3.6/scripts/addons/io_scene_niftools/dependencies/nifgen/formats/nif/__init__.py", line 541, in write
    return type(self).to_stream(self, stream, self)
  File "/home/mauro/.config/blender/3.6/scripts/addons/io_scene_niftools/dependencies/nifgen/formats/nif/__init__.py", line 587, in to_stream
    instance.block_type_index[:] = [block_type_dct[block] for block in instance.blocks]
ValueError: could not broadcast input array from shape (2,) into shape (0,)"

 

All i did for now was basically set it for morrowind and thats about it, sadly i am out of ideas. Other's plugins, Morrowind blender plugin, doesnt seem to work, because i run into problems whit the "meshoptmizer".

Thanks.