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 |
|---|---|---|---|---|
| 45 |
KERN_RPC_CONTINUE_ORPHAN
Continuation requested for an orphaned remote procedure call (RPC).
|
iOS, macOS | Kernel | kern_return.h |
| 43 |
KERN_RPC_SERVER_TERMINATED
RPC server was terminated; operation cannot proceed.
|
iOS, macOS | Kernel | kern_return.h |
| 44 |
KERN_RPC_TERMINATE_ORPHAN
Orphaned RPC operation terminated prematurely.
|
iOS, macOS | Kernel | kern_return.h |
| 42 |
KERN_SEMAPHORE_DESTROYED
Semaphore destroyed; operation cannot proceed.
|
iOS, macOS | Kernel | kern_return.h |
| 0 |
KERN_SUCCESS
Operation successful in Kernel.
|
iOS, macOS | Kernel | kern_return.h |
| 37 |
KERN_TERMINATED
Task or thread was terminated; operation failed.
|
iOS, macOS | Kernel | kern_return.h |
| 19 |
KERN_UREFS_OVERFLOW
Overflow of user references detected; operation failed.
|
iOS, macOS | Kernel | kern_return.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 |
| -2410 |
kernelDeletePermissionErr
Kernel permission error on delete operation
|
macOS | CarbonCore | MacErrors.h |
| -2418 |
kernelExceptionErr
Kernel exception error in CarbonCore.
|
macOS | CarbonCore | MacErrors.h |
| -2409 |
kernelExecutePermissionErr
Kernel execute permission denied
|
macOS | CarbonCore | MacErrors.h |
| -2411 |
kernelExecutionLevelErr
Kernel execution level error.
|
macOS | CarbonCore | MacErrors.h |
| -2419 |
kernelIDErr
Kernel ID error.
|
macOS | CarbonCore | MacErrors.h |
| -2401 |
kernelIncompleteErr
Kernel operation incomplete
|
macOS | CarbonCore | MacErrors.h |
| -2416 |
kernelInUseErr
Kernel or memory region is already in use.
|
macOS | CarbonCore | MacErrors.h |
| -2406 |
kernelObjectExistsErr
Kernel object already exists error.
|
macOS | CarbonCore | MacErrors.h |