please ping if reply

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Improved

I'm running beta 15, will look into upgrading to beta 19

Did you run a signIn function from a client component?

Like in the docs this has to be a server conponent:

import { signIn } from "@/auth"
 
export function SignIn() {
  return (
    <form
      action={async () => {
        "use server"
        await signIn("google")
      }}
    >
      <button type="submit">Signin with Google</button>
    </form>
  )
} 

But super wild guess is you declared this as client component 😅 If you have more info please write it.

Like when exactly happens what and maybe you can share parts of the code

I have a util file in which I import the signIn function and then import that util file on a "use client" page

Could this be the issue?

Maybe yes. I would try to copy paste the code from the docs 1:1 from my prev message into an own page like login-test.

If the is not working then you have a problem.

I had the same problem and i figured out that when the signin was not triggert from a server component there were cookie issues

I have a button with an onClick function though

I don't use any forms

this will add extra steps for the user since with login button they would be redirected to a login page

This is more or less just a button. There is no visible form

import { signIn } from "@/auth"
 
export function SignIn() {
  return (
    <form
      action={async () => {
        "use server"
        await signIn("google")
      }}
    >
      <button type="submit">Signin with Google</button>
    </form>
  )
} 

But got your point. For me troubleshooting comes just often to the point to follow along the docs again 1:1 until its working and when its working you can try to adjust things imo

maybe I will try to switch back to the signIn function from the next-auth/react package