Running the 1.12.2 version of Quark attempting to use the quarkconfig command to edit some values on a server.
I run the command:
/quarkconfig tweaks "right click sign edit" true

And it returns:

The property tweaks."right doesn't exist.

I've tried every combination of quotes, brackets, no quotes, etc.. and the same result.

Why was this closed? I'm also having this same issue with my setup on 1.12.2. Is there a solution that was not shared?