how to handle error if user uses same username/email.
already tried authError from useMoralis() doesn’t get triggered.
      
    how to handle error if user uses same username/email.
already tried authError from useMoralis() doesn’t get triggered.
That is correct, authError will show a message: Account already exists for this username. when you try to sign up with a username that already exists.
Can you please share more info?