Hi
Ok - I think I've got it now - thanks to you both....
Here it was more "Ask for a proof if you (really) can't find how to do it by yourself"
Tough battles make big victories.And I have to say that I almost gave up, it took one and a half hour to find.
The culprit is, that the body has no Tip. [...]
What chrisb said is that he would advise that you restart your design from scratch (with all you new skills in your backpack).
Yep !
That was understandable ... at least for another non native english speaker.