Apple Error Codes Database
Comprehensive Apple Error Codes
Explore our extensive database of over 5,000 Apple Ecosystem error codes. From macOS to iOS, tvOS, watchOS, and visionOS, each code is presented with its name and a concise description to help you quickly pinpoint and resolve issues.
Whether you’re a developer refining an app or a user troubleshooting a system glitch, this resource empowers you with the knowledge to decode cryptic errors and find actionable solutions. No more guesswork—just clear guidance to keep your projects and devices running smoothly.
| Number | Name & Description | Platforms | Framework | Header |
|---|---|---|---|---|
| -22090 |
hiObjectDelegateAlreadyExistsErr
Delegate for HIObject already exists
|
macOS | HIToolbox | HIObject.h |
| -22091 |
hiObjectDelegateNotFoundErr
No delegate was found for the HIObject, or it is missing.
|
macOS | HIToolbox | HIObject.h |
| 4 |
HKErrorAuthorizationDenied
HealthKit authorization was denied by the user.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 5 |
HKErrorAuthorizationNotDetermined
HealthKit authorization has not been determined by the user.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 6 |
HKErrorDatabaseInaccessible
HealthKit database inaccessible.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 2 |
HKErrorHealthDataRestricted
Health data is restricted in HealthKit.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 1 |
HKErrorHealthDataUnavailable
Health data is unavailable or restricted.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 1 |
HKErrorHealthDataUnavailable
Health data is unavailable or restricted.
|
iOS, macOS, visionOS, watchOS | HealthKit | HKDefines.h |
| 3 |
HKErrorInvalidArgument
Invalid argument passed to HealthKit operation
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 7 |
HKErrorUserCanceled
HealthKit: user canceled error.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 0 |
HKNoError
No error.
|
iOS, watchOS | HealthKit | HKDefines.h |
| 0 |
HKNoError
No error.
|
iOS, visionOS, watchOS | HealthKit | HKDefines |
| 0 |
HKUnknownError
Unknown HealthKit error.
|
iOS, macOS, visionOS, watchOS | HealthKit | HKDefines.h |
| -853 |
hmBalloonAborted
Balloon display aborted error.
|
macOS | CarbonCore | MacErrors.h |
| -863 |
hmCloseViewActive
Close view active error in Hm.
|
macOS | CarbonCore | MacErrors.h |
| -127 |
hMenuFindErr
Menu find error.
|
macOS | CarbonCore | MacErrors.h |
| 10 |
HMErrorCodeAccessDenied
Access denied for this HomeKit operation.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 57 |
HMErrorCodeAccessoryDiscoveryFailed
Accessory discovery failed or incomplete
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 61 |
HMErrorCodeAccessoryIsBlocked
HomeKit accessory is blocked.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 14 |
HMErrorCodeAccessoryIsBusy
Accessory is currently busy
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |