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

       … while evaluating derivation 'zfs-storage-disko-build'
         whose name attribute is located at «https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre964972.9cf7092bdd60/nixexprs.tar.xz?narHash=sha256-SpvueJPdKD%2BU/Q2btT3e3rAYgbPQP6nbcYYfK3BJQDA%3D»/pkgs/stdenv/generic/make-derivation.nix:536:13

       … while evaluating attribute 'buildCommand' of derivation 'zfs-storage-disko-build'
         at «https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre964972.9cf7092bdd60/nixexprs.tar.xz?narHash=sha256-SpvueJPdKD%2BU/Q2btT3e3rAYgbPQP6nbcYYfK3BJQDA%3D»/pkgs/build-support/trivial-builders/default.nix:80:17:
           79|         enableParallelBuilding = true;
           80|         inherit buildCommand name;
             |                 ^
           81|         passAsFile = [ "buildCommand" ] ++ (derivationArgs.passAsFile or [ ]);

       … while evaluating the option `disko.devices._config':

       … while evaluating the option `type':

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

       error: The option `type' was accessed but has no value defined. Try setting the option.