[API reference](https://evolu.dev/docs/api-reference) › [@evolu/web](https://evolu.dev/docs/api-reference/web) › PasskeyAuthError

```ts
type PasskeyAuthError = DeviceSecretKeyError | DeviceSecretUnwrapError;
```

Defined in: [packages/web/src/local-first/Passkey.ts:145](https://github.com/evoluhq/evolu/blob/aa223771feea747ffb1b0f5f3271574455633e37/packages/web/src/local-first/Passkey.ts#L145)

Why an unlock of a [PasskeyAuth](https://evolu.dev/docs/api-reference/web/interfaces/PasskeyAuth) failed.