Can't import object

Hello! I was trying to import a object when this pops up;

The Sims 4 Studio - Version 3.1.2.2
System.AggregateException: One or more errors occurred. ---> S4Studio.Blender.BlenderException:
File "<string>", line 1, in <module>
File "<string>", line 14, in <module>
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\blender.py", line 393, in save_lod
save_mesh(blender_mesh, m, new_mesh, geometry_state)
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\blender.py", line 332, in save_mesh
triangles = s4mesh_orig.get_triangles(old_state.state)
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 317, in get_triangles
range(primitive_size)] for primitive_index in range(primitive_count)]
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 317, in <listcomp>
range(primitive_size)] for primitive_index in range(primitive_count)]
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 316, in <listcomp>
return [[self.index_buffer.buffer[start_index + (primitive_index * primitive_size) + i]-min_vertex for i in
IndexError: list index out of range


at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)
at S4Studio.Blender.BlenderUtilities.ImportMlod(String fileName, String mlod, String rig, String state)
at S4Studio.ViewModels.ObjectLodItem.ImportMesh(BlenderUtilities blender_util, String blender_path)
at S4Studio.ViewModels.ObjectLodItem.<>c__DisplayClass49_0.<ImportMesh>b__0()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
--- End of inner exception stack trace ---
---> (Inner Exception #0) S4Studio.Blender.BlenderException:
File "<string>", line 1, in <module>
File "<string>", line 14, in <module>
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\blender.py", line 393, in save_lod
save_mesh(blender_mesh, m, new_mesh, geometry_state)
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\blender.py", line 332, in save_mesh
triangles = s4mesh_orig.get_triangles(old_state.state)
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 317, in get_triangles
range(primitive_size)] for primitive_index in range(primitive_count)]
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 317, in <listcomp>
range(primitive_size)] for primitive_index in range(primitive_count)]
File "C:\Program Files\Blender Foundation\Blender270a\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 316, in <listcomp>
return [[self.index_buffer.buffer[start_index + (primitive_index * primitive_size) + i]-min_vertex for i in
IndexError: list index out of range


at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)
at S4Studio.Blender.BlenderUtilities.ImportMlod(String fileName, String mlod, String rig, String state)
at S4Studio.ViewModels.ObjectLodItem.ImportMesh(BlenderUtilities blender_util, String blender_path)
at S4Studio.ViewModels.ObjectLodItem.<>c__DisplayClass49_0.<ImportMesh>b__0()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()<---

And here's the blend;

I also want to mention I'm using Blender 2.70a and the Sims 4 Studio Blender Library plugin doesn't work.

I'm also using 3.1.2.2 Wishes