Can't Export Item Mesh

Heyy, before the error happened, it was working perfectly fine as I could export the mesh. when i tried to export another mesh from a different model, this error popped up. Can any of you tell me how to fix this?

Error:


The Sims 4 Studio - Version 3.1.3.3

System.AggregateException: One or more errors occurred. ---> S4Studio.Blender.BlenderException:

File "<string>", line 1, in <module>

File "<string>", line 36, in <module>

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\blender.py", line 178, in load_lod

mesh = load_mesh(armature_rig, model_mesh, mesh_name, diffuse_tex, state_hash)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\blender.py", line 34, in load_mesh

vertices = model_mesh.get_vertices(state_hash)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 294, in get_vertices

uvscales)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 645, in read_vertices

a.append(self.read_vertex(vrtf, uvscales))

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 670, in read_vertex

value = self.read_element(declaration, uvscales)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 790, in read_element

assert shorts[2] == 0

AssertionError





at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)

at S4Studio.Blender.BlenderUtilities.ExportMlod(String custom_blend, String rig_path, String mlod_path, String state)

at S4Studio.ViewModels.ObjectLodItem.ExportMesh(BlenderUtilities blender_util, String blender_path)

at S4Studio.ViewModels.ObjectLodItem.<>c__DisplayClass47_0.<ExportMesh>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 36, in <module>

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\blender.py", line 178, in load_lod

mesh = load_mesh(armature_rig, model_mesh, mesh_name, diffuse_tex, state_hash)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\blender.py", line 34, in load_mesh

vertices = model_mesh.get_vertices(state_hash)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 294, in get_vertices

uvscales)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 645, in read_vertices

a.append(self.read_vertex(vrtf, uvscales))

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 670, in read_vertex

value = self.read_element(declaration, uvscales)

File "C:\Users\[UserName]\AppData\Roaming\Blender Foundation\Blender\2.70\scripts\addons\s4studio\buybuild\geometry.py", line 790, in read_element

assert shorts[2] == 0

AssertionError





at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)

at S4Studio.Blender.BlenderUtilities.ExportMlod(String custom_blend, String rig_path, String mlod_path, String state)

at S4Studio.ViewModels.ObjectLodItem.ExportMesh(BlenderUtilities blender_util, String blender_path)

at S4Studio.ViewModels.ObjectLodItem.<>c__DisplayClass47_0.<ExportMesh>b__0()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()<---