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 |
|---|---|---|---|---|
| 268435472 (0x10000010) |
MACH_SEND_INVALID_HEADER
Message header is invalid or improperly formatted for Mach messaging operations.
|
macOS | Kernel | message.h |
| 268435468 (0x1000000c) |
MACH_SEND_INVALID_MEMORY
Memory region provided for Mach send is invalid.
|
macOS | Kernel | message.h |
| 268435467 (0x1000000b) |
MACH_SEND_INVALID_NOTIFY
Notification port specified is invalid or not registered.
|
macOS | Kernel | message.h |
| 268435465 (0x10000009) |
MACH_SEND_INVALID_REPLY
Invalid reply port specified for the Mach send operation.
|
macOS | Kernel | message.h |
| 268435466 (0x1000000a) |
MACH_SEND_INVALID_RIGHT
Invalid port rights provided in the Mach send message.
|
macOS | Kernel | message.h |
| 4294967644 (0x10000015compatibility: no longer a returned error) |
MACH_SEND_INVALID_RT_OOL_SIZE
Invalid return out-of-line size in Mach send.
|
macOS | Kernel | message.h |
| 268435473 (0x10000011) |
MACH_SEND_INVALID_TRAILER
Trailer in the Mach message is invalid or corrupted, often due to misaligned data.
|
macOS | Kernel | message.h |
| 268435471 (0x1000000f) |
MACH_SEND_INVALID_TYPE
Sent Mach message contains an invalid type.
|
macOS | Kernel | message.h |
| 268435461 (0x10000005) |
MACH_SEND_INVALID_VOUCHER
Invalid or missing voucher in the Mach message.
|
macOS | Kernel | message.h |
| 268435457 (0x10000001) |
MACH_SEND_IN_PROGRESS
Send operation is already in progress; queued tasks must complete first.
|
macOS | Kernel | message.h |
| 268435464 (0x10000008) |
MACH_SEND_MSG_TOO_SMALL
Message size is too small for Mach messaging.
|
macOS | Kernel | message.h |
| 268435469 (0x1000000d) |
MACH_SEND_NO_BUFFER
No buffer space available for Mach messaging.
|
macOS | Kernel | message.h |
| 268435460 (0x10000004) |
MACH_SEND_TIMED_OUT
Send operation timed out in Mach messaging.
|
macOS | Kernel | message.h |
| 268435470 (0x1000000e) |
MACH_SEND_TOO_LARGE
Message size exceeds the maximum allowed for Mach send.
|
macOS | Kernel | message.h |
| -199 |
mapReadErr
Failed to read map.
|
macOS | CarbonCore | MacErrors.h |
| -2203 |
matrixErr
Matrix operation error.
|
macOS | CarbonCore | MacErrors.h |
| -2027 |
maxSizeToGrowTooSmall
Max size to grow is too small.
|
macOS | CarbonCore | MacErrors.h |
| -126 |
mBarNFnd
mBar not found.
|
macOS | CarbonCore | MacErrors.h |
| 5 |
MCErrorCancelled
Operation was canceled in MultipeerConnectivity
|
iOS, macOS, tvOS, visionOS, watchOS | MultipeerConnectivity | MCError.h |
| 2 |
MCErrorInvalidParameter
Invalid parameter in MultipeerConnectivity.
|
iOS, macOS, tvOS, visionOS, watchOS | MultipeerConnectivity | MCError.h |