1error:2 … while calling the 'derivationStrict' builtin3 at «nix-internal»/derivation-internal.nix:37:12:4 36|5 37| strict = derivationStrict drvAttrs;6 | ^7 38|89 … while evaluating derivation 'nix-shell'10 whose name attribute is located at «git+https://github.com/NixOS/nixpkgs?ref=nixpkgs-unstable&rev=044bfe75bfe4c7bbe043dc17b5e42ea823b84a09&shallow=1»/pkgs/stdenv/generic/make-derivation.nix:651:111112 … while evaluating attribute 'buildInputs' of derivation 'nix-shell'13 at «git+https://github.com/NixOS/nixpkgs?ref=nixpkgs-unstable&rev=044bfe75bfe4c7bbe043dc17b5e42ea823b84a09&shallow=1»/pkgs/stdenv/generic/make-derivation.nix:722:11:14 721| depsHostHost = hostHostOutputs;15 722| buildInputs = hostTargetOutputs;16 | ^17 723| depsTargetTarget = targetTargetOutputs;1819 … while evaluating definitions from `/nix/store/npld5rl6gdn4j4l0r92kcsqpb3jn5q9b-source/machines/build01/terraform-configuration.nix':2021 (stack trace truncated; use '--show-trace' to show the full, detailed trace)2223 error: attribute 'zerotier' missing24 at «git+file:///var/lib/nixbot/worktrees/8-da4ec708d980-141?rev=71d8295fd7143cb2db0fff48d903a95869476438»/machines/build01/terraform-configuration.nix:28:12:25 27| inherit26 28| (self.nixosConfigurations.build01.config.clan.core.vars.generators.zerotier.files.zerotier-ip)27 | ^28 29| value