error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:nix-community/nixpkgs.lib/db3f255737b94216eb71cce308e2912cf6bc2d7c?narHash=sha256-ePjCwr1sNm9NYUqywL7QfK3JnlS015msC%2BeBu2zKlp8%3D»/lib/modules.nix:1310:5:
         1309|
         1310|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1311|   };

       … while evaluating a branch condition
         at «github:nix-community/nixpkgs.lib/db3f255737b94216eb71cce308e2912cf6bc2d7c?narHash=sha256-ePjCwr1sNm9NYUqywL7QfK3JnlS015msC%2BeBu2zKlp8%3D»/lib/modules.nix:1310:21:
         1309|
         1310|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1311|   };

       … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':

       … while evaluating the option `perSystem.aarch64-darwin.checks':

       … while evaluating definitions from `/nix/store/6wa7h1m9smhz0078hz3jdvkaxw9mw6sa-source/flake.nix, via option perSystem':

       … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':

       … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':

       … while evaluating the option `perSystem.aarch64-darwin.packages':

       … while evaluating definitions from `/nix/store/6wa7h1m9smhz0078hz3jdvkaxw9mw6sa-source/packages.nix, via option perSystem':

       … while evaluating the module argument `pkgs' in ":anon-12:anon-1":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/6wa7h1m9smhz0078hz3jdvkaxw9mw6sa-source/flake.nix, via option perSystem':

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

       error: A definition for option `flake.overlays.mindustry.<function body>.<function body>' is not of type `lazy attribute set of unspecified value'. TypeError: Definition values:
       - In `/nix/store/6wa7h1m9smhz0078hz3jdvkaxw9mw6sa-source/overlays': <function>