Why my platforms move too far? :)

Hey guys!
I’m following this short video on platform movement: https://www.youtube.com/watch?v=TBywfZko0M4
For some reason location of my EndPoint is detected incorrectly, why is that? (because of that my platform moves too far, I’ve tried both ‘GetWorldLocation’ and ‘GetLocalLocation’, it doesn’t help)

I’ve attached screnshot of my simple BP class: