---
title: MCError.Code.unknown
framework: multipeerconnectivity
role: symbol
role_heading: Case
path: multipeerconnectivity/mcerror/code/unknown
---

# MCError.Code.unknown

An unknown error occurred.

## Declaration

```swift
case unknown
```

## See Also

### Constants

- [MCError.Code.notConnected](multipeerconnectivity/mcerror/code/notconnected.md)
- [MCError.Code.invalidParameter](multipeerconnectivity/mcerror/code/invalidparameter.md)
- [MCError.Code.unsupported](multipeerconnectivity/mcerror/code/unsupported.md)
- [MCError.Code.timedOut](multipeerconnectivity/mcerror/code/timedout.md)
- [MCError.Code.cancelled](multipeerconnectivity/mcerror/code/cancelled.md)
- [MCError.Code.unavailable](multipeerconnectivity/mcerror/code/unavailable.md)