Some Action Mappings don't work randomly?

Basically all inputs of my controller are not working. Im using the Vive Index Controllers. They work fine in other unreal projects. In this one however lets say “Grab_R” doesn’t fire. However when I set it to fire from a keyboard press it works fine. I have a picture here


Im directing putting a breakpoint on the input. Pressing “R” triggers it. using the Valve Index (R) Trigger doesn’t. Does someone have an idea?

Before i tried a different input (R in this case) i already crosschecked if my pawn receives input, how it spawns, if the correct pawn spawns and so on. At this point since its working by pressing R I am out of ideas.

The same controller works in other unreal projects.