---
title: PlaygroundBluetoothCentralManager.ConnectionError.connectionLost
framework: Playground Bluetooth
role: symbol
role_heading: Enumeration Case
platforms: [xcode 10.2+, swift playgrounds 2.0+]
path: playgroundbluetooth/playgroundbluetoothcentralmanager/connectionerror/connectionlost
---

# PlaygroundBluetoothCentralManager.ConnectionError.connectionLost

The error that occurs when a peripheral connection to the central manager fails.

## Declaration

```swift
case connectionLost
```

## Discussion

Discussion This error doesn’t occur when a connection to the central manager is intentionally disconnected.

## See Also

### Handling Errors

- [PlaygroundBluetoothCentralManager.ConnectionError.connectionFailed](playgroundbluetooth/playgroundbluetoothcentralmanager/connectionerror/connectionfailed.md)
- [PlaygroundBluetoothCentralManager.ConnectionError.excessiveConnections](playgroundbluetooth/playgroundbluetoothcentralmanager/connectionerror/excessiveconnections.md)
- [PlaygroundBluetoothCentralManager.ConnectionError.invalidState](playgroundbluetooth/playgroundbluetoothcentralmanager/connectionerror/invalidstate.md)
- [PlaygroundBluetoothCentralManager.ConnectionError.timeoutExpired](playgroundbluetooth/playgroundbluetoothcentralmanager/connectionerror/timeoutexpired.md)