Error when trying to export to .fbx

Hi all, hope someone can shed some light on this issue I am having.

I am trying to export my 3d model to a .fbx format, however when I try I get these messages

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx_init_.py”, line 493, in execute return export_fbx_bin.save(self, context, **keywords)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\export_fbx_bin.py”, line 2915, in save ret = save_single(operator, context.scene, filepath, **kwargs_mod)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\export_fbx_bin.py”, line2825, in save_single fbx_objects_elements(root, scene_data)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\export_fbx_bin.py”, line 2649, in fbx_objects_elements fbx_data_mesh_elements(objects, me_obj, scene_data, done_meshes)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\export_fbx_bin.py”, line 1090, in fbx_data_mesh_elements elem_data_single_int32_array(lay_uv, b"UVIndex", (uv2idx[uv] for uv in_uvtuples_gen(t_luv)))

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\fbx_utils.py”, line 439, in elem_data_single_int32_array return_elem_data_single(elem, name, value, “add_int32_array”)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\fbx_utils.py”, line 386, in_elem_data_single getattr(sub_elem, func_name)(value)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\encode_bin.py”, line 161, in add_int32_array data= array.array(data_types,ARRAY_INT32, data)

File “E:\Program Files\Blender Foundation\Blender\2.7.4\scipts\addons\io_scene_fbx\export_fbx_bin.py”, line 1090, in <genexpr> elem_data_single_int32_array(lay_uv,b"UVIndex", (uv2idx[uv] for uv in_uvtuples_gen(t_luv)))

KeyError: (nan, nan)

location: <unknown location>:-1

I really don’t understand what the error is telling me or how I go about trying to fix it, so I’m really hoping someone will be able to point me in the right direction so I can export the model to .fbx

Thanks in advance and if anyone needs any further information, then I will be happy to try and provide this.

Cheers

Try using the latest version of blender (version 2.76)

Hi, Thanks for the reply Richard, I have updated Blender to version 2.76b, however I still receive the same messages as previously, although some of the line numbers have changed.

Message 1) New line number = 583
Message 2) New line number = 3039
Message 3) New line number = 2949
Message 4) New line number = 2764
Message 5) New line number = 1105
Message 6) New line number = 498
Message 7) New line number = 445
Message 8) New line number = unchanged
Message 9) New line number = 1105

I have now fixed this issue.

It seems all I needed to do was to rename the UVMap name and then it worked.

hello i have the same issue…what do u mean by rename the UVMap name