vmail.group defined multiple times
Created by: nico202
I get:
error: The unique option users.users.vmail.group' is defined multiple times, in
/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/modules/config/users-groups.nix' and `/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/modules/config/users-groups.nix'.
(use ‘--show-trace’ to show detailed location information)