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-26.11pre1086706.e2ccecbf3086/nixexprs.tar.xz?narHash=sha256-8X2knlOzqm0RD28O0GpFspE9dRU/ZK/DozWq2WOpOjs%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/5-9da34ccc7f8f-490?ref=HEAD&rev=0e69a3dcd9334be27dca59036e852438550ad3ff»/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/5-9da34ccc7f8f-490?ref=HEAD&rev=0e69a3dcd9334be27dca59036e852438550ad3ff»/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?