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 |
|---|---|---|---|---|
| 36 |
HMErrorCodeNameDoesNotStartWithValidCharacters
Name starts with invalid characters.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 78 |
HMErrorCodeNetworkUnavailable
Network is unavailable for HomeKit
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 20 |
HMErrorCodeNilParameter
Parameter was nil.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 25 |
HMErrorCodeNoActionsInActionSet
No actions in HomeKit action set.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 26 |
HMErrorCodeNoRegisteredActionSets
No action sets are registered in HomeKit
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 2 |
HMErrorCodeNotFound
HomeKit entity not found.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 68 |
HMErrorCodeNotificationAlreadyEnabled
HomeKit notification already enabled.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 7 |
HMErrorCodeNotificationNotSupported
HomeKit notifications are not supported.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 75 |
HMErrorCodeNotSignedIntoiCloud
User not signed in to iCloud, preventing operation.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 13 |
HMErrorCodeObjectAlreadyAssociatedToHome
Object already associated with a HomeKit home.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 11 |
HMErrorCodeObjectAssociatedToAnotherHome
Object is already associated with a different HomeKit home.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 12 |
HMErrorCodeObjectNotAssociatedToAnyHome
The object is not associated with any HomeKit home.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 31 |
HMErrorCodeObjectWithSimilarNameExistsInHome
Another object with a similar name already exists in HomeKit.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 23 |
HMErrorCodeOperationCancelled
HomeKit operation was cancelled.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 15 |
HMErrorCodeOperationInProgress
Another operation is still in progress.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 48 |
HMErrorCodeOperationNotSupported
Requested operation is not supported in HomeKit
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 8 |
HMErrorCodeOperationTimedOut
Operation timed out in HomeKit.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 104 |
HMErrorCodePartialCommunicationFailure
Partial communication failure occurred
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 5 |
HMErrorCodeReadOnlyCharacteristic
HomeKit characteristic is read-only.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |
| 74 |
HMErrorCodeReadWriteFailure
HomeKit read/write failure occurred.
|
iOS, tvOS, visionOS, watchOS | HomeKit | HMError.h |