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 |
|---|---|---|---|---|
| 2 |
WKErrorWebContentProcessTerminated
Web content process terminated in WebKit.
|
iOS, macOS | WebKit | WKError.h |
| 3 |
WKErrorWebViewInvalidated
WebView in WebKit has been invalidated.
|
iOS, macOS | WebKit | WKError.h |
| 6 |
WKExtendedRuntimeSessionErrorBARDisabled
BAR disabled in WatchKit extended runtime session.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 5 |
WKExtendedRuntimeSessionErrorExceededResourceLimits
WatchKit extended runtime session exceeded resource limits.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 3 |
WKExtendedRuntimeSessionErrorMustBeActiveToStartOrSchedule
Session not active, cannot start or schedule.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 8 |
WKExtendedRuntimeSessionErrorNotApprovedToSchedule
User or system did not approve scheduling the extended runtime session.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 7 |
WKExtendedRuntimeSessionErrorNotApprovedToStartSession
User or system did not approve starting the extended runtime session.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 4 |
WKExtendedRuntimeSessionErrorNotYetStarted
Session has not started yet
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 2 |
WKExtendedRuntimeSessionErrorScheduledTooFarInAdvance
Scheduled too far in advance in WatchKit extended runtime session.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| 1 |
WKExtendedRuntimeSessionErrorUnknown
Unknown extended runtime session error.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| -1 |
WKExtendedRuntimeSessionInvalidationReasonError
Invalidation reason error in WatchKit.
|
watchOS | WatchKit | WKExtendedRuntimeSession.h |
| -44 |
wPrErr
Unknown printer error occurred.
|
macOS | CarbonCore | MacErrors.h |
| -123 |
wrgVolTypErr
Invalid volume type.
|
macOS | CarbonCore | MacErrors.h |
| -20 |
writErr
Write operation error.
|
macOS | CarbonCore | MacErrors.h |
| -189 |
writingPastEnd
Writing operation attempted past end of buffer.
|
macOS | CarbonCore | MacErrors.h |
| -875 |
wrongApplicationPlatform
Application was built for a different platform
|
macOS | CarbonCore | MacErrors.h |
| -61 |
wrPermErr
Write permission is denied.
|
macOS | CarbonCore | MacErrors.h |
| -74 |
wrUnderrun
Write operation underrun.
|
macOS | CarbonCore | MacErrors.h |