Can't export to FBX

Python: Traceback (most recent call last):
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx_init_.py”, line 644, in execute
return export_fbx_bin.save(self, context, **keywords)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\export_fbx_bin.py”, line 3208, in save
ret = save_single(operator, context.scene, depsgraph, filepath, **kwargs_mod)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\export_fbx_bin.py”, line 3104, in save_single
fbx_objects_elements(root, scene_data)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\export_fbx_bin.py”, line 2904, in fbx_objects_elements
fbx_data_mesh_elements(objects, me_obj, scene_data, done_meshes)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\export_fbx_bin.py”, line 1177, in fbx_data_mesh_elements
elem_data_single_int32_array(lay_uv, b"UVIndex", (uv2idx[uv_id] for uv_id in _uvtuples_gen(t_luv, t_lvidx)))
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\fbx_utils.py”, line 505, in elem_data_single_int32_array
return _elem_data_single(elem, name, value, “add_int32_array”)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\fbx_utils.py”, line 452, in _elem_data_single
getattr(sub_elem, func_name)(value)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\encode_bin.py”, line 161, in add_int32_array
data = array.array(data_types.ARRAY_INT32, data)
File “C:\Program Files\Blender Foundation\Blender 3.0\3.0\scripts\addons\io_scene_fbx\export_fbx_bin.py”, line 1177, in
elem_data_single_int32_array(lay_uv, b"UVIndex", (uv2idx[uv_id] for uv_id in _uvtuples_gen(t_luv, t_lvidx)))
KeyError: ((nan, 0.0), 1213)

location: :-1

I’m getting this error when exporting to FBX. If i cut model’s head off it works. What could be causing the problem and how could I fix it?

please report bugs on developer.blender.org