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 |
|---|---|---|---|---|
| -5551 |
gestaltUndefSelectorErr
Gestalt selector is undefined or not recognized.
|
macOS | CarbonCore | MacErrors.h |
| -5550 |
gestaltUnknownErr
Requested gestalt selector is not recognized.
|
macOS | CarbonCore | MacErrors.h |
| -52 |
gfpErr
Graphics function parameter error.
|
macOS | CarbonCore | MacErrors.h |
| 31 |
GKErrorAPINotAvailable
GameKit API is not available.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 34 |
GKErrorAPIObsolete
Deprecated or removed GameKit API.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 37 |
GKErrorAppUnlisted
App is unlisted in GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 7 |
GKErrorAuthenticationInProgress
Authentication is in progress in GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 2 |
GKErrorCancelled
Operation cancelled in GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 19 |
GKErrorChallengeInvalid
The GameKit challenge is invalid or cannot proceed.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 3 |
GKErrorCommunicationsFailure
Communications failure in GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 33 |
GKErrorConnectionTimeout
GameKit: connection timeout.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 102 |
GKErrorFriendListDenied
Friend list operation denied by the user or system.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 100 |
GKErrorFriendListDescriptionMissing
Description is missing for Game Center friend list
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 101 |
GKErrorFriendListRestricted
Friend list is restricted by GameKit settings.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 103 |
GKErrorFriendRequestNotAvailable
Unavailable friend request or feature in GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 29 |
GKErrorGameSessionRequestInvalid
Game session request data is invalid.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 15 |
GKErrorGameUnrecognized
Unrecognized or invalid game.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 35 |
GKErrorICloudUnavailable
iCloud is not available or disabled for GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 5 |
GKErrorInvalidCredentials
Invalid user credentials provided for GameKit authentication.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |
| 17 |
GKErrorInvalidParameter
Invalid parameter in GameKit.
|
iOS, macOS, tvOS, visionOS, watchOS | GameKit | GKError.h |