SIGN_IN_FAILED The user failed to sign in. Declarationconst String SIGN_IN_FAILED; See AlsoConstantsACCESS_DENIEDATOMIC_ERRORAUTH_PERSIST_ERRORAUTHENTICATION_FAILEDAUTHENTICATION_REQUIREDBAD_REQUESTCONFIGURATION_ERRORCONFLICTEXISTSINTERNAL_ERRORINVALID_ARGUMENTSNETWORK_ERRORNOT_FOUNDQUOTA_EXCEEDEDSERVICE_UNAVAILABLE