1error:2 … while evaluating the attribute 'optionalValue.value'3 at «github:nixos/nixpkgs/61b7c44c4073f0b827768aff0049561b5110ea5a?narHash=sha256-12KrbMiWLcf8m7pCvAtZh1ZrgF85ZXDXvfR/fWTKy84%3D»/lib/modules.nix:1312:5:4 1311|5 1312| optionalValue = if isDefined then { value = mergedValue; } else { };6 | ^7 1313| };89 … while evaluating a branch condition10 at «github:nixos/nixpkgs/61b7c44c4073f0b827768aff0049561b5110ea5a?narHash=sha256-12KrbMiWLcf8m7pCvAtZh1ZrgF85ZXDXvfR/fWTKy84%3D»/lib/modules.nix:1312:21:11 1311|12 1312| optionalValue = if isDefined then { value = mergedValue; } else { };13 | ^14 1313| };1516 … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':1718 … while evaluating definitions from `/nix/store/gzchag6539jvw9jmm5hahwpbdkzy7dlj-source/parts/ci.nix, via option perSystem':1920 … while evaluating the option `system.build.toplevel':2122 … while evaluating definitions from `/nix/store/d1qrs4cfnhmkhkripp32pyn64c8ldjzq-source/nixos/modules/system/activation/top-level.nix':2324 … while evaluating the option `assertions':2526 … while evaluating definitions from `/nix/store/gzchag6539jvw9jmm5hahwpbdkzy7dlj-source/modules/programs/watt':2728 (stack trace truncated; use '--show-trace' to show the full, detailed trace)2930 error: The option `services.watt.enable' in `/nix/store/d1qrs4cfnhmkhkripp32pyn64c8ldjzq-source/nixos/modules/services/hardware/watt.nix' is already declared in `/nix/store/gzchag6539jvw9jmm5hahwpbdkzy7dlj-source/modules/programs/watt'.