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
100029
kPOSIXErrorESPIPE
POSIX error: Illegal seek (ESPIPE).
macOS CarbonCore MacErrors.h
100003
kPOSIXErrorESRCH
POSIX error: No such process.
macOS CarbonCore MacErrors.h
100070
kPOSIXErrorESTALE
POSIX error: stale file handle (ESTALE).
macOS CarbonCore MacErrors.h
100101
kPOSIXErrorETIME
POSIX error indicating timer expired.
macOS CarbonCore MacErrors.h
100060
kPOSIXErrorETIMEDOUT
POSIX error: connection timed out.
macOS CarbonCore MacErrors.h
100059
kPOSIXErrorETOOMANYREFS
POSIX error: Too many references.
macOS CarbonCore MacErrors.h
100026
kPOSIXErrorETXTBSY
Text file is busy
macOS CarbonCore MacErrors.h
100068
kPOSIXErrorEUSERS
Too many users on the system.
macOS CarbonCore MacErrors.h
100018
kPOSIXErrorEXDEV
Operation attempted across different device contexts.
macOS CarbonCore MacErrors.h
-9088
kPostCardEventErr
Post card event error.
macOS CarbonCore MacErrors.h
-13006
kPowerHandlerExistsForDeviceErr
Power handler already registered for this device
macOS CarbonCore MacErrors.h
-13007
kPowerHandlerNotFoundForDeviceErr
No power handler found for the device.
macOS CarbonCore MacErrors.h
-13008
kPowerHandlerNotFoundForProcErr
Power handler not found for process
macOS CarbonCore MacErrors.h
-13009
kPowerMgtMessageNotHandled
Power management message was not handled.
macOS CarbonCore MacErrors.h
-13010
kPowerMgtRequestDenied
Power management request denied.
macOS CarbonCore MacErrors.h
-13014
kProcessorTempRoutineRequiresMPLib2
Requires MP library version 2 for processor temperature routine.
macOS CarbonCore MacErrors.h
-3954
kQDCorruptPICTDataErr
Corrupt PICT data found, rendering or processing is not possible.
macOS CarbonCore MacErrors.h
-3952
kQDCursorAlreadyRegistered
QD cursor already registered.
macOS CarbonCore MacErrors.h
-3953
kQDCursorNotRegistered
QuickDraw cursor not registered.
macOS CarbonCore MacErrors.h
-3951
kQDNoColorHWCursorSupport
Hardware cursor lacks color support
macOS CarbonCore MacErrors.h
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