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 |
|---|---|---|---|---|
| -3031 |
badTranslationSpecErr
Translation specification is invalid or corrupt.
|
macOS | CarbonCore | MacErrors.h |
| -21 |
badUnitErr
Bad unit error.
|
macOS | CarbonCore | MacErrors.h |
| 56 |
BAErrorCodeCallerConnectionInvalid
Invalid caller connection in BackgroundAssets.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 55 |
BAErrorCodeCallerConnectionNotAccepted
Caller connection was not accepted
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 50 |
BAErrorCodeCallFromExtensionNotAllowed
Background Assets operation not allowed from extension.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 51 |
BAErrorCodeCallFromInactiveProcessNotAllowed
Call not allowed from an inactive process.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 103 |
BAErrorCodeDownloadAlreadyFailed
BackgroundAssets download has already failed.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 100 |
BAErrorCodeDownloadAlreadyScheduled
Background Assets download already scheduled.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 111 |
BAErrorCodeDownloadBackgroundActivityProhibited
Download prohibited by background activity restriction.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 109 |
BAErrorCodeDownloadEssentialDownloadNotPermitted
Essential download not permitted.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 102 |
BAErrorCodeDownloadFailedToStart
Background assets download failed to start.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 0 |
BAErrorCodeDownloadInvalid
Invalid download in BackgroundAssets.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 101 |
BAErrorCodeDownloadNotScheduled
BackgroundAssets: download not scheduled.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 112 |
BAErrorCodeDownloadWouldExceedAllowance
BackgroundAssets: download would exceed allowance.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 204 |
BAErrorCodeSessionDownloadAllowanceExceeded
Background Assets session exceeded the download allowance.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 203 |
BAErrorCodeSessionDownloadDisallowedByAllowance
BackgroundAssets session download disallowed by allowance.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 202 |
BAErrorCodeSessionDownloadDisallowedByDomain
Download is disallowed by the domain policy.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| 206 |
BAErrorCodeSessionDownloadNotPermittedBeforeAppLaunch
Session download not permitted before app launch.
|
iOS, macOS, visionOS, watchOS | BackgroundAssets | BAError.h |
| -37 |
bdNamErr
Bad name in the file system
|
macOS | CarbonCore | MacErrors.h |
| 3 |
BGTaskSchedulerErrorCodeNotPermitted
Background task scheduler not permitted.
|
iOS, macOS, tvOS, visionOS, watchOS | BackgroundTasks | BGTaskScheduler.h |