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  "title" : "Audio Unit Instrument Errors"
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# Audio Unit Instrument Errors

## Topics

### Constants

[`var kAudioUnitErr_IllegalInstrument: OSStatus`](/documentation/AudioToolbox/kAudioUnitErr_IllegalInstrument)

[`var kAudioUnitErr_InstrumentTypeNotFound: OSStatus`](/documentation/AudioToolbox/kAudioUnitErr_InstrumentTypeNotFound)


---

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