UE4, No Smoothing Groups(No Error)

Hey, i have an really Strange Problem ,i dont get Smoohing Groups on my Own Made Character in Daz 3D.
I have no Problems in other 3D Programm, C4D.3Ds Max,Blender, i was trying everything , i dont get an “there are no Smoohting groups error on Import”

https://puu.sh/yuv6D/957f8a6ea1.jpg

anyone have Ideas?, its Frustrating, then even with no ERROR, it dont Work.

Really no one have Ideas, what it can be?

One other Strange thing is that i dont see the Problem in " Mesh Editor Ue4 Preview(with the Animatios)

Just when im Place it in the World.