No compile errors - Error loading model

I made a model in 3DS Max consisting of a group of 9 objects.
It exported just fine.
It compiles just fine without any errors at all.

But, when I try to open my model in the Model Viewer it says “Error Loading Model”.
I even tried compiling without a collision model, and no luck.
I need help.

Thanks in advance.

EDIT: It turns out that if I remove 8 of the smaller objects (actually bolts) it works perfectly. Any one familiar with this kind of problem in 3DS Max?

[editline]6th January 2011[/editline]

Problem solved.

It turns out you are NOT supposed to group them before exporting.