Ue4 Crashes after FBX REIMPORT

So i got Solved it by Myself, my Model Programm have Tags

there are UVW, Tags and Phong Tags for Smoothing Angels, all of the TAGS need to be first, and later than Texture Tags

so

MorphTag,SkinTag,Tex,Tex,Tex,Tex,Phong,UvwTag,etc ← Crash

http://puu.sh/tRmCI/6f42ca5c75.jpg

MorphTag,SkinTag,Phong,UvwTag,Tex,Tex,Tex,Tex,etc, Works whitout Problems!

http://puu.sh/tRmB0/6c45f0d5db.jpg

The Solution is just NO TAGS After MaterialsTags.

but thanks for ya Answer!