Error: Route "/api/auth/[auth0]" used `params.auth0`. `params` should be awaited before using its properties.

[akladyous]

Checklist

• I have looked into the Readme and have not found a suitable solution or answer.
• I have searched the issues and have not found a suitable solution or answer.
• I have searched the Auth0 Community forums and have not found a suitable solution or answer.
• I agree to the terms within the Auth0 Code of Conduct.

Description

This issue arises from a breaking change introduced in Next.js 15, which transitioned certain APIs to be asynchronous. according to Next.js release notes:

the server now requires awaiting request-specific data (such as params, headers, cookies, and searchParams) before using their properties.

Reproduction

`import { handleAuth } from "@auth0/nextjs-auth0";

export const GET = handleAuth();
`

Additional context

[portal7]

If you are running NextJS 15, you can see what the documentation says to solve this problem (see the image)

TL,DR: You have to run this (I strongly recommend to take the time to read the documentation first, as not all cases are compatible, but fortunately for me, this solved the problem)
$ npx @next/codemod@canary next-async-request-api .

After commit my current changes.

And finally

[Primis1]

Umm, i have read a docs about the issues. However in my case(as always) simple solution with npx command does not work. But i also CAN NOT access Auth0 - node code, which actually causes the issue. Like, ta hell i'm suppose to do, and why such issue even occurred in stable version of Next?

(No blames, i just feel how much time i gonna waste on that, to finally fix it)

[josephmarkus]

Same here. Can also confirm that the codemod didn't work since the issue is with auth0 code example