---
title: "WebAuthn Error Codes"
slug: "s3suite94-web-webauthn-error-codes"
updated: 2026-10-27T18:41:44Z
published: 2026-10-27T18:41:44Z
canonical: "docs.onespan.com/s3suite94-web-webauthn-error-codes"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onespan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# WebAuthn Error Codes

The following table converts WebAuthn errors to the value of Outcome that the Web App SDK returns:

| **WebAuthn error** | **Outcome** |
| --- | --- |
| AbortError | SYSTEM_CANCELED |
| ConstraintError | CONSTRAINT_ERROR |
| InvalidStateError | INVALID_STATE |
| NotAllowedError | CANCELED |
| NotSupportedError | NOT_COMPATIBLE |
| SecurityError | APP_NOT_FOUND |
| UnknownError | FAILURE |