error:
       … while calling the 'derivationStrict' builtin
         at «nix-internal»/derivation-internal.nix:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|

       … while evaluating derivation 'nixos-system-altaria-26.11.19800101.a5cbcfe'
         whose name attribute is located at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1045908.a5cbcfe95479/nixexprs.tar.zst?narHash=sha256-Kr66C7mAWVoVLl2vhGoDaDksNBHRIHneLaO2/c4drCw%3D»/pkgs/stdenv/generic/make-derivation.nix:651:11

       … while evaluating attribute 'buildCommand' of derivation 'nixos-system-altaria-26.11.19800101.a5cbcfe'
         at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1045908.a5cbcfe95479/nixexprs.tar.zst?narHash=sha256-Kr66C7mAWVoVLl2vhGoDaDksNBHRIHneLaO2/c4drCw%3D»/nixos/modules/system/activation/top-level.nix:63:7:
           62|       allowSubstitutes = false;
           63|       buildCommand = systemBuilder;
             |       ^
           64|

       … while evaluating the option `environment.etc."tranquil-pds/config.toml".source':

       … while evaluating the option `services.tranquil-pds.settings.server.hostname':

       … while evaluating definitions from `/nix/store/qlpx0xsa62bj2k32wqqxyzj7l1yf2lz4-source/hosts/altaria/services/tranquil-pds.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: attribute 'pds' missing
       at /var/lib/nixbot/worktrees/168-507cfbc40c8b-82462aa3/hosts/altaria/services/tranquil-pds.nix:7:7:
            6| let
            7|   d = self.data.services.pds;
             |       ^
            8|   sec = config.age.secrets;