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 |
|---|---|---|---|---|
| -3241 |
kENOPROTOOPTErr
Protocol option error in ENO.
|
macOS | CarbonCore | MacErrors.h |
| -3202 |
kENORSRCErr
ENORSRC error occurred.
|
macOS | CarbonCore | MacErrors.h |
| -3271 |
kENOSRErr
ENO SR error.
|
macOS | CarbonCore | MacErrors.h |
| -3274 |
kENOSTRErr
No stream or data is available.
|
macOS | CarbonCore | MacErrors.h |
| -3256 |
kENOTCONNErr
Socket is not connected
|
macOS | CarbonCore | MacErrors.h |
| -3237 |
kENOTSOCKErr
Operation attempted on a non-socket descriptor.
|
macOS | CarbonCore | MacErrors.h |
| -3224 |
kENOTTYErr
Inappropriate ioctl for device
|
macOS | CarbonCore | MacErrors.h |
| -3205 |
kENXIOErr
Device not configured (POSIX).
|
macOS | CarbonCore | MacErrors.h |
| -3244 |
kEOPNOTSUPPErr
Operation not supported.
|
macOS | CarbonCore | MacErrors.h |
| -3200 |
kEPERMErr
Operation not permitted
|
macOS | CarbonCore | MacErrors.h |
| -3231 |
kEPIPEErr
Broken pipe error.
|
macOS | CarbonCore | MacErrors.h |
| -3269 |
kEPROTOErr
Protocol error.
|
macOS | CarbonCore | MacErrors.h |
| -3242 |
kEPROTONOSUPPORTErr
Protocol not supported error.
|
macOS | CarbonCore | MacErrors.h |
| -3240 |
kEPROTOTYPEErr
Protocol prototype error.
|
macOS | CarbonCore | MacErrors.h |
| -3233 |
kERANGEErr
Result out of range error.
|
macOS | CarbonCore | MacErrors.h |
| -2421 |
kernelAlreadyFreeErr
Kernel attempted to free an already freed memory region.
|
macOS | CarbonCore | MacErrors.h |
| -2414 |
kernelAsyncReceiveLimitErr
Kernel limit reached for asynchronous receives
|
macOS | CarbonCore | MacErrors.h |
| -2413 |
kernelAsyncSendLimitErr
Kernel asynchronous send limit error.
|
macOS | CarbonCore | MacErrors.h |
| -2412 |
kernelAttributeErr
Invalid or unsupported kernel attribute.
|
macOS | CarbonCore | MacErrors.h |
| -2402 |
kernelCanceledErr
Kernel operation canceled error.
|
macOS | CarbonCore | MacErrors.h |