error:
       … while evaluating a branch condition
         at «string»:23:10:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |          ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … in the left operand of the OR (||) operator
         at «string»:23:33:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |                                 ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … while evaluating definitions from `/nix/store/lrxvs4l9bqbgjfz7w9bkfg5zqq442jxc-source/modules/transposition.nix':

       … while evaluating the option `perSystem.x86_64-linux.checks':

       … while evaluating definitions from `/nix/store/8vnvrmgjyxb4m0im4p52hxqp062dr3kb-source/flake.nix, via option perSystem':

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

       error: The option `vulpes' does not exist. Definition values:
       - In `/nix/store/8vnvrmgjyxb4m0im4p52hxqp062dr3kb-source/hosts/prefect/services/monitoring.nix':
           {
             beszel-agent = {
               enable = true;
               enableSmartmon = false;
             };
           ...

       Did you mean `users', `age' or `fonts'?