Hi there! It's me again.
I have strange problem with objects that where created in Blender from scratch and then exported to NIF format: it works well ingame, but I canot import it back to Blender.

Here's error that I have when trying to import file that contains my object:

Spoiler:

I noticed that I have this always when I import skeleton for parenting objects before exporting mesh (I rigged object by copying weight from rigged one. But trying to rig from scratch - my object is headgear so need only one bone - doen't solve the problem). If I clear parent - there is no problem with import.

Most strange thing that headgear works fine ingame - no crushes, no artifacts. But in fact it is bugged.

UPD Oh, I think I found out how to fix it. Ctrl+A and applying Scale to Obj Data removes error and mesh exports/imports succesful. Quite strange because I didn't apply axis scaling to my object. But it works. x)