Treefmt-nix suddenly no longer working

I already created an issue and I am still blocked by this.
Getting the error Error: path . not inside the tree root /path/to/project/. So I cannot use the nix fmt command.
I don’t think I changed anything relevant

Hi, I’m one of the maintainers of treefmt. I’ve responded to the issue you created `nix fmt` does not work `Error: path . not inside the tree root` · Issue #339 · numtide/treefmt-nix · GitHub.