1error:2 … while evaluating the attribute 'optionalValue.value'3 at «github:NixOS/nixpkgs/fb7944c166a3b630f177938e478f0378e64ce108?narHash=sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf%2BOkucw%3D»/lib/modules.nix:1256:5:4 1255|5 1256| optionalValue = if isDefined then { value = mergedValue; } else { };6 | ^7 1257| };89 … while evaluating a branch condition10 at «github:NixOS/nixpkgs/fb7944c166a3b630f177938e478f0378e64ce108?narHash=sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf%2BOkucw%3D»/lib/modules.nix:1256:21:11 1255|12 1256| optionalValue = if isDefined then { value = mergedValue; } else { };13 | ^14 1257| };1516 … while evaluating definitions from `/nix/store/q7zzr647cmpiv9yciq4vk6hway02qfag-source/builtinModules/checks.nix':1718 … while evaluating definitions from `/nix/store/qkhvhmkj14mggx578gpqw74w5h2ic6cf-source/flakelight-treefmt.nix':1920 (stack trace truncated; use '--show-trace' to show the full, detailed trace)2122 error: expected a set but found null: null