---
title: AVAudioEngineManualRenderingError.invalidMode
framework: avfaudio
role: symbol
role_heading: Case
path: avfaudio/avaudioenginemanualrenderingerror/invalidmode
---

# AVAudioEngineManualRenderingError.invalidMode

An operation the system can’t perform because the engine isn’t in manual rendering mode or the right variant of it.

## Declaration

```swift
case invalidMode
```

## See Also

### Manual Rendering Errors

- [AVAudioEngineManualRenderingError.initialized](avfaudio/avaudioenginemanualrenderingerror/initialized.md)
- [AVAudioEngineManualRenderingError.notRunning](avfaudio/avaudioenginemanualrenderingerror/notrunning.md)