Trying to build configuration but get - error: cannot auto-call a function that has an argument without a default value ('config') in derivation.nix

Command executing script

nix-build --verbose --argstr sourcePath /root/source --argstr version 0.3.11 /etc/nixos/log_adapter_update_service.nix

error

evaluating file '/nix/store/hn9lrxibiaynx0i0cphgh96mjc1vjs1i-nix-2.3.3/share/nix/corepkgs/derivation.nix'
error: cannot auto-call a function that has an argument without a default value ('config')

log_adapter_update_service

{ config? <nixos-config>, lib? <nixos-lib>, pkgs ? import <nixpkgs>, logAdapterRev? null, logAdapterSha256? null, version? null, sourcePath? null, ... }:
let
    # both variables derived in the external shell script to be passed to engine package to build a desired version
    log_adapter_engine = import ./engine_package.nix {  inherit pkgs;
                                                        logAdapterRev=logAdapterRev;
                                                        logAdapterSha256=logAdapterSha256;
                                                        version=version;
                                                        sourcePath=sourcePath;
                                                        };
    cfg = config.systemd;
    systemd = cfg.package;
in {
    systemd.services."bvla_update@" = {
            enable = true;
            description = "Log Adapter Engine service - Update # %i";
            environment = {
                BVL_LAUNCHED_SERVICE_INDEX = "%i";
            };
            partOf = [ "bvla_update.target" ];
            serviceConfig = {
                LogsDirectory = "bvla";
                ExecStart = "${log_adapter_engine}/bin/transmitters >'$\{LOGS_DIRECTORY\}/bvla_transmitters.out' 2>'$\{LOGS_DIRECTORY\}/bvla_transmitters.err'";
                ExecReload="/run/current-system/sw/bin/kill -HUP $MAINPID";
                Type="simple";
                KillMode="process";
                Restart="on-failure";
                RestartSec="10s";
                User="root";
            };
        };

    systemd.targets.bvla_update = {
        enable = true;
        description = "Log Adapter Engine Update";
        wantedBy = [ "multi-user.target" ];
        after = [ "redis.service" ];
        requires = [ "bvla_update@1.service" ];
    };
}