I am using Windows 11, with Elixir 1.17.3 and Erlang 27.1, tried make encryption auth using bcrypt but still not working, here the code error below when trying create new account :

[debug] HANDLE EVENT "save" in EventflowWeb.UserRegistrationLive
  Parameters: %{"_csrf_token" => "NgA1axEPDzodO1goMgsAMBohGQ4pBBsAEK_1GICryH7FpJLREraOftH9", "user" => %{"email" => "test@gmail.com", "password" => "[FILTERED]"}}
[debug] QUERY OK source="users" db=0.1ms queue=0.1ms idle=1803.9ms
SELECT 1 FROM "users" AS u0 WHERE (u0."email" = ?) LIMIT 1 ["test@gmail.com"]
↳ Ecto.Changeset.unsafe_validate_unique/4, at: lib/ecto/changeset.ex:2700
[error] Process #PID<0.828.0> raised an exception
** (RuntimeError) An error occurred when loading Bcrypt.
Make sure you have a C compiler and Erlang 20 installed.
If you are not using Erlang 20, either upgrade to Erlang 20 or
use version 0.12 of bcrypt_elixir.
See the Comeonin wiki for more information.

    (bcrypt_elixir 3.2.0) lib/bcrypt/base.ex:15: Bcrypt.Base.init/0
    (kernel 10.1) code_server.erl:1356: anonymous fn/1 in :code_server.handle_on_load/5
[warning] The on_load function for module Elixir.Bcrypt.Base returned:
{%RuntimeError{
   message: "An error occurred when loading Bcrypt.\nMake sure you have a C compiler and Erlang 20 installed.\nIf you are not using Erlang 20, either upgrade to Erlang 20 or\nuse version 0.12 of bcrypt_elixir.\nSee the Comeonin wiki for more information.\n"
 },
 [
   {Bcrypt.Base, :init, 0,
    [file: ~c"lib/bcrypt/base.ex", line: 15, error_info: %{...}]},
   {:code_server, :"-handle_on_load/5-fun-0-", 1,
    [file: ~c"code_server.erl", line: 1356]}
 ]}

[error] GenServer #PID<0.630.0> terminating
** (UndefinedFunctionError) function Bcrypt.Base.gen_salt/2 is undefined (module Bcrypt.Base is not available)
    (bcrypt_elixir 3.2.0) Bcrypt.Base.gen_salt(12, false)
    (bcrypt_elixir 3.2.0) lib/bcrypt.ex:77: Bcrypt.hash_pwd_salt/2
    (eventflow 0.1.0) lib/eventflow/users/user.ex:76: Eventflow.Users.User.maybe_hash_password/2
    (eventflow 0.1.0) lib/eventflow/users.ex:79: Eventflow.Users.register_user/1
    (eventflow 0.1.0) lib/eventflow_web/live/user_registration_live.ex:57: EventflowWeb.UserRegistrationLive.handle_event/3
    (phoenix_live_view 1.0.0-rc.6) lib/phoenix_live_view/channel.ex:508: anonymous fn/3 in Phoenix.LiveView.Channel.view_handle_event/3
    (telemetry 1.2.1) c:/Users/Ariandani/app/phoenix/eventflow/deps/telemetry/src/telemetry.erl:321: :telemetry.span/3
    (phoenix_live_view 1.0.0-rc.6) lib/phoenix_live_view/channel.ex:260: Phoenix.LiveView.Channel.handle_info/2
    (stdlib 6.1) gen_server.erl:2345: :gen_server.try_handle_info/3
    (stdlib 6.1) gen_server.erl:2433: :gen_server.handle_msg/6
    (stdlib 6.1) proc_lib.erl:329: :proc_lib.init_p_do_apply/3
Last message: %Phoenix.Socket.Message{topic: "lv:phx-F__O4w2TMQDsaRDD", event: "event", payload: %{"event" => "save", "type" => "form", "value" => "_csrf_token=NgA1axEPDzodO1goMgsAMBohGQ4pBBsAEK_1GICryH7FpJLREraOftH9&user%5Bemail%5D=test%40gmail.com&user%5Bpassword%5D=testgmail123"}, ref: "33", join_ref: "16"}
State: %{socket: #Phoenix.LiveView.Socket<id: "phx-F__O4w2TMQDsaRDD", endpoint: EventflowWeb.Endpoint, view: EventflowWeb.UserRegistrationLive, parent_pid: nil, root_pid: #PID<0.630.0>, router: EventflowWeb.Router, assigns: %{form: nil, __changed__: %{}, current_user: nil, flash: %{}, live_action: :new, trigger_submit: false, check_errors: false}, transport_pid: #PID<0.623.0>, ...>, components: {%{}, %{}, 1}, topic: "lv:phx-F__O4w2TMQDsaRDD", serializer: Phoenix.Socket.V2.JSONSerializer, join_ref: "16", upload_names: %{}, upload_pids: %{}}
[debug] MOUNT EventflowWeb.UserRegistrationLive
  Parameters: %{}
  Session: %{"_csrf_token" => "sKjZVFLHdsonBALb_SxAOpS9"}
[debug] Replied in 1ms
[debug] HANDLE EVENT "validate" in EventflowWeb.UserRegistrationLive
  Parameters: %{"_csrf_token" => "NgA1axEPDzodO1goMgsAMBohGQ4pBBsAEK_1GICryH7FpJLREraOftH9", "_target" => ["user", "email"], "user" => %{"_unused_email" => "", "_unused_password" => "[FILTERED]", "email" => "test@gmail.com", "password" => "[FILTERED]"}}
[debug] Replied in 204µs

I am also install all c++ compiler in visual studio tools completed (almost GB file)

here some source code i forked :