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 the option `system.build.toplevel':1718 … while evaluating definitions from `/nix/store/zkn66xp6sgf6cmwblnhv50d8fvhmxl5h-source/nixos/modules/system/activation/top-level.nix':1920 … while evaluating the option `environment.etc':2122 … while evaluating definitions from `/nix/store/zkn66xp6sgf6cmwblnhv50d8fvhmxl5h-source/nixos/modules/services/networking/networkmanager.nix':2324 … while evaluating the option `networking.networkmanager.plugins':2526 … while evaluating definitions from `/nix/store/2n0mn8kgwac46i03hshsll8i9hr00i9b-source/machines/turingmachine/modules/networkmanager':2728 (stack trace truncated; use '--show-trace' to show the full, detailed trace)2930 error: 'networkmanager-vpnc' has been removed as insecure and archived upstream. Migrate to 'networkmanager-libreswan'