i get problem when i try import obj in beldner.

so, i export obj from Moi3D in .obj format and default is 12 meshing options, when i want more poligons (high) i export.. problem is when i want import in blender i get this msg..

https://imgur.com/SbfVKY8

when i export from moi in 12 meshing opeions after that no problem.. everything is ok..