Accidentally Unbint 0 D:

Now I can’t exit those little menus… You know what I mean?
How can I get it back?

unbint?

Restart gmod?

Yeah sorry, my english sucks D:
I entered this in console:
unbind 0

And no, restarting didn’t work.

What did 0 do?

slot0?

Options > Keyboard > “Apply Defaults”