---
title: IdentityDocumentProviderRegistrationStore.RegistrationError.unknown
framework: identitydocumentservices
role: symbol
role_heading: Case
path: identitydocumentservices/identitydocumentproviderregistrationstore/registrationerror/unknown
---

# IdentityDocumentProviderRegistrationStore.RegistrationError.unknown

An error that indicates the framework encountered a problem which the system can’t interpret.

## Declaration

```swift
case unknown
```