---
title: kAUGraphErr_InvalidAudioUnit
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaugrapherr_invalidaudiounit
---

# kAUGraphErr_InvalidAudioUnit

## Declaration

```swift
var kAUGraphErr_InvalidAudioUnit: OSStatus { get }
```

## See Also

### Constants

- [kAUGraphErr_CannotDoInCurrentContext](audiotoolbox/kaugrapherr_cannotdoincurrentcontext.md)
- [kAUGraphErr_InvalidConnection](audiotoolbox/kaugrapherr_invalidconnection.md)
- [kAUGraphErr_NodeNotFound](audiotoolbox/kaugrapherr_nodenotfound.md)
- [kAUGraphErr_OutputNodeErr](audiotoolbox/kaugrapherr_outputnodeerr.md)