Getting the same location transfer of the crystal again and again

When I created a blueprint to move the crystals from its default location to the updated location of the Ball I am getting the same problem we faced before i.e. unknown location transfer of the crystal rather than the ball please check out ma code

Please check out my code
Its there in the Q/A section of the link providedhttps://www.udemy.com/unrealblueprint/learn/lecture/13758058#questions

Hope u figure this thing out

Thanks
KIP