Unhandled Runtime Error Error - CredentialsSignin Provider

[turkgenciyim]

Environment

System:
OS: Windows 11 10.0.22631
CPU: (12) x64 AMD Ryzen 5 5500
Memory: 16.53 GB / 31.87 GB
Binaries:
Node: 20.11.0 - C:\Program Files\nodejs\node.EXE
Yarn: 1.22.21 - ~\AppData\Roaming\npm\yarn.CMD
npm: 10.2.4 - C:\Program Files\nodejs\npm.CMD
pnpm: 9.0.6 - ~\AppData\Roaming\npm\pnpm.CMD
bun: 1.1.6 - ~.bun\bin\bun.EXE
Browsers:
Edge: Chromium (126.0.2592.87)
npmPackages:
next: 14.1.0 => 14.1.0
next-auth: 5.0.0-beta.3 => 5.0.0-beta.3
react: 18.3.1 => 18.3.1

Reproduction URL

https://github.com/nextauthjs/next-auth-example

Describe the issue

I have successfully used Next auth in my project. I use server actions to log in, but I get an error in authentication every time:

Server Component Login Form:

import Link from "next/link";
import { Button, Checkbox, Input, Password } from "rizzui";

import { signIn } from "@/app/auth";
import { routes } from "@/config/routes";

export default function SignInForm() {

  return (
    <form
      action={async (formData) => {
        "use server";
        await signIn("credentials", {
          username: formData.get("username"),
          password: formData.get("password"),
          redirect: false,
        });
      }}>
      <div className="space-y-5 lg:space-y-6 gap-x-4 grid grid-cols-3">
        <Input
          type="text"
          label="JohnDoe"
          name="username"
          placeholder="johndoe@example.com"
          size="lg"
          className="[&>label>span]:font-medium col-span-full"
        />
        <Password
          label="Şifre"
          name="password"
          placeholder="john@doe123"
          size="lg"
          className="[&>label>span]:font-medium col-span-full"
        />
        <div className="flex items-center justify-between col-span-full pb-1">
          <Checkbox
            label="Beni Hatırla"
            className="[&>label>span]:font-medium"
          />
          <Link
            href={routes.auth.forgotPassword4}
            className="h-auto p-0 text-sm font-semibold text-gray-700 underline transition-colors hover:text-primary hover:no-underline">
            Şifreni mi unuttun?
          </Link>
        </div>

        <Button className="w-full col-span-2" type="submit">
          Giriş Yap
        </Button>
      </div>
    </form>
  );
}

Auth:

import NextAuth, { NextAuthConfig } from "next-auth";
import CredentialsProvider from "next-auth/providers/credentials";

export const { handlers, signIn, signOut, auth } = NextAuth({
  session: {
    strategy: "jwt",
    maxAge: 259200,
  },
  pages: {
    error: "/giris-yap",
    signIn: "/giris-yap",
    signOut: "/",
  },
  providers: [
    CredentialsProvider({
      async authorize(credentials) {
        try {
          // Your authentication logic here
          // const user = await authenticateUser(credentials);
          if (false) {
            // return user;
          } else {
            return null;
          }
        } catch (error) {
          console.error(error);
          return null;
        }
      },
    }),
  ],
} satisfies NextAuthConfig);

How to reproduce

I am importing react server component to a page, authjs tells me to use server actions, so I do so. But when I submit the form, it gives me an annoying error:

Expected behavior

Explain what should have happened instead of what actually happened

[github-actions]

We could not detect a valid reproduction link. Make sure to follow the bug report template carefully.

Why was this issue closed?

To be able to investigate, we need access to a reproduction to identify what triggered the issue. We need a link to a public GitHub repository. Example: (NextAuth.js example repository).

The bug template that you filled out has a section called "Reproduction URL", which is where you should provide the link to the reproduction.

• If you did not provide a link or the link you provided is not hosted on github.com outside of the next-auth organization, we will close the issue.
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What should I do?

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My repository is private and cannot make it public

In most cases, a private repo will not be a sufficient minimal reproduction, as this codebase might contain a lot of unrelated parts that would make our investigation take longer. Please do not make it public. Instead, create a new repository using the templates above, adding the relevant code to reproduce the issue. Common things to look out for:

• Remove any code that is not related to the issue. (pages, API Routes, components, etc.)
• Remove any dependencies that are not related to the issue.
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• Remove any environment variables that are not related to the issue.
• Remove private packages that we do not have access to.
• If the issue is not related to a monorepo specifically, try to reproduce the issue without a complex monorepo setup

I did not open this issue, but it is relevant to me, what can I do to help?

Anyone experiencing the same issue is welcome to provide a minimal reproduction following the above steps by opening a new issue.

I think my reproduction is good enough, why aren't you looking into it quickly?

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Useful Resources

• How to create a Minimal, Complete, and Verifiable example
• Bug report: Framework
• Bug report: Provider
• Bug report: Adapter