Trouble with getting mouse in world space - from Epic Games tutorial

I am trying to get which button is pressed from an Epic Games tutorial ( about 53 minutes in. I have looked for a solution to my problem and they all say essentially “do what the tutorial does”. Problem is when I do it, I don’t get anything, so I performed a line trace to see where the collision is and it is way far away from my puzzle. Here’s my blueprint:

Any help you can provide would be appreciated (first time poster, long-time Unreal user)