Set the right dead zone in Fortnite?

I wanted to set the dead zone for the right stick in fortnite, but it doesn't work?

The bars for this are in the controller settings below.

I know but I can't click on it

What are you playing with?

On ps4 with controller

It was the same with my buddy.
If you have a keyboard at home, connect it briefly and change it with the

Thank you, but there's another way