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
-2403
kernelOptionsErr
Kernel options error.
macOS CarbonCore MacErrors.h
-2404
kernelPrivilegeErr
Operation requires higher privileges within the kernel.
macOS CarbonCore MacErrors.h
-2408
kernelReadPermissionErr
Kernel read permission denied
macOS CarbonCore MacErrors.h
-2422
kernelReturnValueErr
Kernel return value error.
macOS CarbonCore MacErrors.h
-2417
kernelTerminatedErr
Kernel execution was terminated.
macOS CarbonCore MacErrors.h
-2415
kernelTimeoutErr
Kernel operation timed out
macOS CarbonCore MacErrors.h
-2499
kernelUnrecoverableErr
Kernel encountered an unrecoverable error
macOS CarbonCore MacErrors.h
-2405
kernelUnsupportedErr
Unsupported operation in kernel context.
macOS CarbonCore MacErrors.h
-2407
kernelWritePermissionErr
Write permission not granted for the kernel operation.
macOS CarbonCore MacErrors.h
1
kErrorIfFileNotFound
QuickTime could not find the specified file.
macOS QuickTime QTML.h
-3257
kESHUTDOWNErr
Connection on a shutdown socket
macOS CarbonCore MacErrors.h
-3243
kESOCKTNOSUPPORTErr
Socket type not supported in this environment.
macOS CarbonCore MacErrors.h
-3277
kESRCHErr
Unknown.
macOS CarbonCore MacErrors.h
-3259
kETIMEDOUTErr
Protocol timeout error.
macOS CarbonCore MacErrors.h
-3270
kETIMEErr
Timer expired or timed out
macOS CarbonCore MacErrors.h
-3258
kETOOMANYREFSErr
Exceeded maximum number of references.
macOS CarbonCore MacErrors.h
1701999136 ('err ') (0x65727220)
kEventParamLaunchErr
Event parameter launch error in HIToolbox.
macOS HIToolbox CarbonEvents.h
-3234
kEWOULDBLOCKErr
Operation would block; resource temporarily unavailable.
macOS CarbonCore MacErrors.h
-66570
kExtAudioFileError_AsyncWriteBufferOverflow
Buffer overflow occurred during asynchronous write operations to the file.
iOS, macOS, tvOS, visionOS, watchOS AudioToolbox ExtendedAudioFile.h
-66569
kExtAudioFileError_AsyncWriteTooLarge
Asynchronous write requested is too large.
iOS, macOS, tvOS, visionOS, watchOS AudioToolbox ExtendedAudioFile.h
Page 181 of 320 6398 results