PHAT - no overlaping bodys, yet the mesh flyes away

[LudeosShaft]

So, here is a simple skeletal mesh made in Blender3D:

Here it is, set up in PHAT:

And here is the constraint between the bones, generated automatically, nothing changed:

Now, once i click “simulate” my mesh is nowhere to be found:

What the hell is going on? Where is my physics asset?