Restoring to defaults fixed it. How strange. I have no idea what changed but I imagine that at some point I'll run into it when i try to press some key combination that I expect to work but doesn't.

Sorry to waste your time, like I said in the post I was open to it being user error but man did I ...

Like, of course 'build' and 'open object's gui' have the same binding, for instance. I'm wondering which ones could be colliding.

I was worried it was just me. Which key bindings would you recommend I check out? I think repair is bound to the "build" binding right?

What did you do?
Used a repair pack on a damaged entity, in this case a gun turret. I have the repair pack in my hand, the mouse cursor has changed, I am right next to the entity and I click the entity.

What happened?
I hear the same sound effect that plays when attempting to repair an ...