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

       … while evaluating derivation 'clan-pytest-with-core'
         whose name attribute is located at «https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1087089.39ad350a0602/nixexprs.tar.xz?narHash=sha256-/4ezBOv6aldGab7qTb6ls3SDpgzG8kuuSqEAA9zEZ8E%3D»/pkgs/stdenv/generic/make-derivation.nix:651:11

       … while evaluating attribute 'closureInfo' of derivation 'clan-pytest-with-core'
         at «git+file:///var/lib/nixbot/worktrees/5-211fff6b1cfa-91?ref=HEAD&rev=8914f1df61d2c7b40da74fc8585dd11b61b081eb»/pkgs/clan-cli/default.nix:240:11:
          239|           ];
          240|           closureInfo = pkgs.closureInfo {
             |           ^
          241|             rootPaths =

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

       error: attribute 'apsl20' missing
       at «git+file:///var/lib/nixbot/worktrees/5-211fff6b1cfa-91?ref=HEAD&rev=8914f1df61d2c7b40da74fc8585dd11b61b081eb»/clanServices/zerotier/pkgs/zerotierone/default.nix:20:17:
           19|     meta = old.meta // {
           20|       license = lib.licenses.apsl20;
             |                 ^
           21|     };
       Did you mean one of asl20, afl20, epl20, mpl20 or zpl20?