error:
       … while evaluating a branch condition
         at «string»:25:5:
           24|     v:
           25|     if !builtins.isAttrs v || isDrv v then
             |     ^
           26|       v

       … in the left operand of the OR (||) operator
         at «string»:25:28:
           24|     v:
           25|     if !builtins.isAttrs v || isDrv v then
             |                            ^
           26|       v

       … while evaluating the option `system.build.toplevel':

       … while evaluating definitions from `/nix/store/6nwzgfvznah5rg192x0hnl5ykchdgi59-source/nixos/modules/system/activation/top-level.nix':

       … while evaluating the option `warnings':

       … while evaluating definitions from `/nix/store/6nwzgfvznah5rg192x0hnl5ykchdgi59-source/nixos/modules/system/boot/systemd.nix':

       … while evaluating the option `systemd.services.openvpn-wiit.serviceConfig':

       … while evaluating definitions from `/nix/store/6nwzgfvznah5rg192x0hnl5ykchdgi59-source/nixos/modules/services/networking/openvpn.nix':

       … while evaluating the option `services.openvpn.servers.wiit.config':

       … while evaluating definitions from `/nix/store/4l4ainwjfzcjfv59mwhcik4lpxvv3wqz-source/profiles/features/work/vpn/openvpn.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: unable to download 'https://cache.rofl-14.brkn.lol/ffcgqpn258p8x2h39n17qwcirfkk8cdw.narinfo': Could not connect to server (7) Failed to connect to cache.rofl-14.brkn.lol:443 after 1 ms: Could not connect to server