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 |
|---|---|---|---|---|
| 3758112841, -536854455 (int32) (0xE0004049) |
kIOUSBDeviceTransferredToCompanion
Device transferred to companion controller; operation redirected.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112838, -536854458 (int32) (0xE0004046) |
kIOUSBEndpointCountExceeded
USB endpoint count exceeded; operation cannot continue.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112855, -536854441 (int32) (0xE0004057) |
kIOUSBEndpointNotFound
USB endpoint could not be found; operation failed.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112843, -536854453 (int32) (0xE000404B) |
kIOUSBHighSpeedSplitError
High-speed USB split transaction error occurred.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112846, -536854450 (int32) (0xE000404E) |
kIOUSBInterfaceNotFound
USB interface not found; operation cannot continue.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112835, -536854461 (int32) (0xE0004043) |
kIOUSBInvalidSSEndpoint
Invalid SuperSpeed USB endpoint specified or configured.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112784, -536854512 (int32) (0xE0004010) |
kIOUSBLinkErr
USB link encountered an error in IOKit.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112845, -536854451 (int32) (0xE000404D) |
kIOUSBLowLatencyBufferNotPreviouslyAllocated
Low-latency buffer not allocated before use; operation failed.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112844, -536854452 (int32) (0xE000404C) |
kIOUSBLowLatencyFrameListNotPreviouslyAllocated
Low-latency frame list not allocated before use; operation failed.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112797, -536854499 (int32) (0xE000401D) |
kIOUSBMessageHubCountExceeded
Exceeded hub message count limit in USB operations.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112798, -536854498 (int32) (0xE000401E) |
kIOUSBMessageTDMLowBattery
Low battery status triggered during USB TDM operation.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112863, -536854433 (int32) (0xE000405F) |
kIOUSBNoAsyncPortErr
No asynchronous port available for USB operation.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112862, -536854434 (int32) (0xE000405E) |
kIOUSBNotEnoughPipesErr
Insufficient USB pipes available for the operation.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112861, -536854435 (int32) (0xE000405D) |
kIOUSBNotEnoughPowerErr
Insufficient power available for USB operation.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112782, -536854514 (int32) (0xE000400E) |
kIOUSBNotSent1Err
USB transaction not sent; reserved error code with undefined specific details.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112783, -536854513 (int32) (0xE000400F) |
kIOUSBNotSent2Err
USB transaction not sent; reserved error code with undefined specific details.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112774, -536854522 (int32) (0xE0004006) |
kIOUSBPIDCheckErr
PID check error detected in USB communication.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112847, -536854449 (int32) (0xE000404F) |
kIOUSBPipeStalled
USB pipe is stalled; operation failed.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112778, -536854518 (int32) (0xE000400A) |
kIOUSBReserved1Err
Reserved USB error 1; specific details undefined.
|
macOS | Kernel | IOKit/usb/USB.h |
| 3758112779, -536854517 (int32) (0xE000400B) |
kIOUSBReserved2Err
Reserved USB error 2; specific details undefined.
|
macOS | Kernel | IOKit/usb/USB.h |