Mesh wont import - stuck on importing mesh loading screen

Hi. You need to delete Subsurface modifier before importing the blend file in the package.
When closing holes, make sure to collapse the extruded edges, this will reduce the polycount of the created geometry by half. Unwrapping it will make sure s4s splits the mesh along uv island borders and prevents dark shadows from appearing

How to close holes:
- Switch to Edit mode ( TAB ), switch to Edge select ( 1 ), select the border edge loop ( 2 ) by Alt-RMB-clicking on it;
- Press E to extrude, S to scale, scale it down ( 3 );
- Press Alt M and choose Collapse ( 4 );
- Switch to Vertex select, select the vertex in the middle of created geometry, optionally move it up a bit, press Shift NumPad7 to align the view parallel to it;
- Select - Select More/Less - More ( 5 );
- Shading / UVs - UV Mapping - Unwrap - Project from view* ( 6 );
- In UV editor scale it down ( S ) and put somewhere in the extra area;
- Select the same border edge again and mark it as Sharp* ( 7 ).

* - The Sims 4 Studio automatically splits imported mesh along UV island borders to prevent dark shadows from forming along sharp edge loops. By closing holes, you create sharp edge loops. By unwrapping created geometry, you make sure it will not only properly display textures, but also its UV island border will be split by S4S. By marking the border edge as sharp, you make sure the dark shadow along it will disappear in Blender, too, and the baking result will not be affected by it

Hi, I have the same problem (being used by blender and after 'importing mesh' loading screen). Where is the problem in my case because I think I do not have added a Subsurface modifier.

Here is the files:

.Blend file: www.dropbox.com/s/5ewgny5gmzp3i22/blend_file.blend?dl=0
Package: www.dropbox.com/s/yk0s88snuveatno/TEST.package?dl=0

Could you help me with it please?

I am quite beginner in Blender so I hope you mean this stats:

Verts: 78,006
Faces: 155,083
Tris: 155,630