1error:2 … while evaluating a branch condition3 at «string»:25:5:4 24| v:5 25| if !builtins.isAttrs v || isDrv v then6 | ^7 26| v89 … in the left operand of the OR (||) operator10 at «string»:25:28:11 24| v:12 25| if !builtins.isAttrs v || isDrv v then13 | ^14 26| v1516 … while evaluating definitions from `/nix/store/48zqzq821m7c3faj5prg2l8pami0dbxj-source/systems/live-image.nix':1718 (stack trace truncated; use '--show-trace' to show the full, detailed trace)1920 error: Module `/nix/store/48zqzq821m7c3faj5prg2l8pami0dbxj-source/modules/server.nix' has an unsupported attribute `services'. This is caused by introducing a top-level `config' or `options' attribute. Add configuration attributes immediately on the top level instead, or move all of them (namely: services) into the explicit `config' attribute.