How did you set up your buttons? Are they in a UMG?
I’ve created a menu for my game, and set up an button to open a level when clicked. I’ve created a new player controller that is currently blank, and tied that to a new menu game mode that is also currently blank. I’ve already set up the inputs in projects settings, I just can’t figure out what I need to place in my blueprint to get the mouse click to work on my buttons.