error:
       … while calling the 'getAttr' builtin

         at /builtin/derivation.nix:19:19: (source not available)

       … while calling the 'derivationStrict' builtin

         at /builtin/derivation.nix:9:12: (source not available)

       … while evaluating derivation 'daedalus-cardano-bridge'
         whose name attribute is located at /nix/store/d5hgy42a104xh2ajkrfy5i3gl9425v45-nixpkgs-src/pkgs/stdenv/generic/make-derivation.nix:205:7

       … while evaluating attribute 'buildCommand' of derivation 'daedalus-cardano-bridge'

         at /nix/store/d5hgy42a104xh2ajkrfy5i3gl9425v45-nixpkgs-src/pkgs/build-support/trivial-builders.nix:74:14:

           73|       name = lib.strings.sanitizeDerivationName name;
           74|       inherit buildCommand;
             |              ^
           75|       passAsFile = [ "buildCommand" ]

       … from call site

         at /nix/store/a56xpyzf74r32khy3fwrvbkj9n28va97-cardano-wallet-src/flake.nix:173:36:

          172|                   # Cardano wallet
          173|                   cardano-wallet = import ./nix/release-build.nix {
             |                                    ^
          174|                     inherit pkgs;

       … while calling anonymous lambda

         at /nix/store/a56xpyzf74r32khy3fwrvbkj9n28va97-cardano-wallet-src/nix/release-build.nix:6:1:

            5|
            6| { pkgs
             | ^
            7| , exe  # executable component for the program, from Haskell.nix

       … from call site

         at /nix/store/a56xpyzf74r32khy3fwrvbkj9n28va97-cardano-wallet-src/nix/release-build.nix:13:11:

           12|
           13| let drv = pkgs.stdenv.mkDerivation rec {
             |           ^
           14|   name = "${exe.identifier.name}-${version}";

       … while calling anonymous lambda

         at /nix/store/m2vv0bxfchzrjngx8wi0i7dhzb9q2g50-source/pkgs/stdenv/generic/make-derivation.nix:24:1:

           23| #   Explanation about derivations in general
           24| {
             | ^
           25|

       … from call site

         at /nix/store/m2vv0bxfchzrjngx8wi0i7dhzb9q2g50-source/pkgs/stdenv/generic/make-derivation.nix:378:1:

          377|
          378| lib.extendDerivation
             | ^
          379|   validity.handled

       … while calling 'extendDerivation'

         at /nix/store/m2vv0bxfchzrjngx8wi0i7dhzb9q2g50-source/lib/customisation.nix:144:43:

          143|      the derivation itself and check a given condition when evaluating. */
          144|   extendDerivation = condition: passthru: drv:
             |                                           ^
          145|     let

       … from call site

         at /nix/store/a56xpyzf74r32khy3fwrvbkj9n28va97-cardano-wallet-src/nix/release-build.nix:26:9:

           25|     exePath = drv + "/bin/cardano-wallet";
           26|   } // (optionalAttrs (backend != null) { inherit backend; });
             |         ^
           27| };

       … while calling 'optionalAttrs'

         at /nix/store/m2vv0bxfchzrjngx8wi0i7dhzb9q2g50-source/lib/attrsets.nix:453:25:

          452|   */
          453|   optionalAttrs = cond: as: if cond then as else {};
             |                         ^
          454|

       … from call site

         at /nix/store/xbj4lqck18yww2bkpzdsia0xliawa9zn-source/overlays/haskell.nix:513:27:

          512|               callProjectResults = callCabalProjectToNix args;
          513|               plan-pkgs = importAndFilterProject {
             |                           ^
          514|                 inherit (callProjectResults) projectNix sourceRepos src;

       … while calling anonymous lambda

         at /nix/store/xbj4lqck18yww2bkpzdsia0xliawa9zn-source/lib/import-and-filter-project.nix:5:1:

            4| { pkgs, haskellLib }:
            5| { projectNix, sourceRepos, src }:
             | ^
            6| let

       error: 1 dependencies of derivation '/nix/store/qyw0qfc6hvki95dc8wkaafcwh34drhr8-cardano-wallet-plan-to-nix-pkgs.drv' failed to build