---
title: NSItemProvider.ErrorCode.unknownError
framework: foundation
role: symbol
role_heading: Case
path: foundation/nsitemprovider/errorcode/unknownerror
---

# NSItemProvider.ErrorCode.unknownError

An error code indicating an unknown error with consuming data from an item provider.

## Declaration

```swift
case unknownError
```

## See Also

### Constants

- [NSItemProvider.ErrorCode.itemUnavailableError](foundation/nsitemprovider/errorcode/itemunavailableerror.md)
- [NSItemProvider.ErrorCode.unavailableCoercionError](foundation/nsitemprovider/errorcode/unavailablecoercionerror.md)
- [NSItemProvider.ErrorCode.unexpectedValueClassError](foundation/nsitemprovider/errorcode/unexpectedvalueclasserror.md)