Blender Exporter not Working

Blender version 3.0.1

Python: Traceback (most recent call last): File "/home/vadim/.config/blender/3.0/scripts/addons/io_scene_m3d.py", line 1663, in execute return write_m3d(context, self.filepath, self.report, **keywords) File "/home/vadim/.config/blender/3.0/scripts/addons/io_scene_m3d.py", line 867, in write_m3d matopa[-1] = -1 IndexError: list assignment index out of range

location: :-1