Issue with physics constraints

This video should explain the problem more or less.

I seek for help!

BUMP!

Hello! Why is everybody ignoring me? I am stuck at my game development while this is not solved, but there is no way how I could know how to solve it. I need somebody with UE4 experience to help.
Please!
Anybody?

BUMP of BUMP
And I’m gone keep BUMPing until somebody at least reads this!!!