Account Exists With Different Credential

An account already exists with the same email but was created with a different sign-in provider. Fetch the existing sign-in methods with fetchSignInMethodsForEmail and prompt the user to link accounts or sign in with the original provider.

References

firebase.google.com/docs/auth/web/google-signin

In this namespace

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next → auth-email-already-in-use Email Already In Use

auth-account-exists-with-different-credential auth-email-already-in-use auth-invalid-email auth-network-request-failed auth-popup-closed-by-user auth-requires-recent-login