---
title: Error Constants
framework: Core Haptics
role: collectionGroup
role_heading: API Collection
path: corehaptics/error-constants
---

# Error Constants

Error code constants for framework operations.

## Topics

### Error Code Constants

- [badEventEntry](corehaptics/chhapticerror/badevententry.md)
- [badParameterEntry](corehaptics/chhapticerror/badparameterentry.md)
- [engineNotRunning](corehaptics/chhapticerror/enginenotrunning.md)
- [engineStartTimeout](corehaptics/chhapticerror/enginestarttimeout.md)
- [fileNotFound](corehaptics/chhapticerror/filenotfound.md)
- [insufficientPower](corehaptics/chhapticerror/insufficientpower.md)
- [invalidAudioResource](corehaptics/chhapticerror/invalidaudioresource.md)
- [invalidAudioSession](corehaptics/chhapticerror/invalidaudiosession.md)
- [invalidEngineParameter](corehaptics/chhapticerror/invalidengineparameter.md)
- [invalidEventDuration](corehaptics/chhapticerror/invalideventduration.md)
- [invalidEventTime](corehaptics/chhapticerror/invalideventtime.md)
- [invalidEventType](corehaptics/chhapticerror/invalideventtype.md)
- [invalidParameterType](corehaptics/chhapticerror/invalidparametertype.md)
- [invalidPatternData](corehaptics/chhapticerror/invalidpatterndata.md)
- [invalidPatternDictionary](corehaptics/chhapticerror/invalidpatterndictionary.md)
- [invalidPatternPlayer](corehaptics/chhapticerror/invalidpatternplayer.md)
- [invalidTime](corehaptics/chhapticerror/invalidtime.md)
- [memoryError](corehaptics/chhapticerror/memoryerror.md)
- [notSupported](corehaptics/chhapticerror/notsupported.md)
- [operationNotPermitted](corehaptics/chhapticerror/operationnotpermitted.md)
- [resourceNotAvailable](corehaptics/chhapticerror/resourcenotavailable.md)
- [serverInterrupted](corehaptics/chhapticerror/serverinterrupted.md)
- [serverInitFailed](corehaptics/chhapticerror/serverinitfailed.md)
- [unknownError](corehaptics/chhapticerror/unknownerror.md)

## See Also

### Inspecting an Error

- [errorDomain](corehaptics/chhapticerror/errordomain.md)
- [CHHapticError.Code](corehaptics/chhapticerror/code.md)