I have a web app using session auth of NextAuth for authentication. It works fine locally, however, when deployed to Vercel, it errors out when logging in via Email Provider or Credentials.
I am getting this weird error:
In the console:
SyntaxError: Unexpected token 'A', "An error o"... is not valid JSON
SyntaxError: Unexpected token 'A', "An error o"... is not valid JSON
In network tab: StatusCode: 504 Request: Post RequestURL: https://<myappname>.vercel.app/api/auth/signin/email? Payload: