error:
… while calling the 'derivationStrict' builtin
at /builtin/derivation.nix:9:12: (source not available)
… while evaluating derivation 'home-manager-generation'
whose name attribute is located at /nix/store/801l7gvdz7yaibhjsxqx82sc7zkakjbq-source/pkgs/stdenv/generic/make-derivation.nix:331:7
… while evaluating attribute 'buildCommand' of derivation 'home-manager-generation'
at /nix/store/801l7gvdz7yaibhjsxqx82sc7zkakjbq-source/pkgs/build-support/trivial-builders/default.nix:68:16:
67| enableParallelBuilding = true;
68| inherit buildCommand name;
| ^
69| passAsFile = [ "buildCommand" ]
(stack trace truncated; use '--show-trace' to show the full trace)
error: 'rnix-lsp' has been removed as it is unmaintained
Looks like rnix-lsp has been removed. I checked the repo and there seem to be a few other lsp options: