Lost all Keybinds cant play.

Hi.

I just went to the Firing Range to change some keybind when removing one all of em dissapeared suddenly and theres no way for me to get em back.

What i have tried:

Reset to default: YES.

Uninstall & Reinstall game: YES

Restarted PC: YES

Im playing on Steam)

I hope someone is able to get me some help thats just some frustrating *.