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 |
|---|---|---|---|---|
| 12 |
kIOPCIUncorrectableErrorBitPoisonedTLP
PCI device detected an uncorrectable poisoned Transaction Layer Packet.
|
macOS | PCIDriverKit | IOPCIFamilyDefinitions.h |
| 17 |
kIOPCIUncorrectableErrorBitReceiverOverflow
Receiver overflow uncorrectable PCI error.
|
macOS | PCIDriverKit | IOPCIFamilyDefinitions.h |
| 5 |
kIOPCIUncorrectableErrorBitSurpriseDown
PCI uncorrectable error: surprise down bit.
|
macOS | PCIDriverKit | IOPCIFamilyDefinitions.h |
| 25 |
kIOPCIUncorrectableErrorBitTLPPrefixBlocked
PCI driver kit uncorrectable error bit TLP prefix blocked.
|
macOS | PCIDriverKit | IOPCIFamilyDefinitions.h |
| 16 |
kIOPCIUncorrectableErrorBitUnexpectedCompletion
PCI driver kit uncorrectable error bit unexpected completion.
|
macOS | PCIDriverKit | IOPCIFamilyDefinitions.h |
| 20 |
kIOPCIUncorrectableErrorBitUnsupportedRequest
Unsupported PCI request in uncorrectable error status.
|
macOS | PCIDriverKit | IOPCIFamilyDefinitions.h |
| 3758097131, -536870165 (int32) (0xE00002EB) |
kIOReturnAborted
Operation was aborted before completion.
|
macOS | Kernel | IOReturn.h |
| 3758097090, -536870206 (int32) (0xE00002C2) |
kIOReturnBadArgument
Operation failed due to invalid arguments.
|
macOS | Kernel | IOReturn.h |
| 3758097105, -536870191 (int32) (0xE00002D1) |
kIOReturnBadMedia
Media error detected; resource is unreadable or damaged.
|
macOS | Kernel | IOReturn.h |
| 3758097094, -536870202 (int32) (0xE00002C6) |
kIOReturnBadMessageID
Invalid or bad message ID provided for the operation.
|
macOS | Kernel | IOReturn.h |
| 3758097109, -536870187 (int32) (0xE00002D5) |
kIOReturnBusy
Operation failed because the resource is already busy.
|
macOS | Kernel | IOReturn.h |
| 3758097100, -536870196 (int32) (0xE00002CC) |
kIOReturnCannotLock
Resource cannot be locked; conflicting access.
|
macOS | Kernel | IOReturn.h |
| 3758097118, -536870178 (int32) (0xE00002DE) |
kIOReturnCannotWire
Resource cannot be wired; insufficient resources or permissions.
|
macOS | Kernel | IOReturn.h |
| 3758097129, -536870167 (int32) (0xE00002E9) |
kIOReturnDeviceError
Generic device error; operation failed.
|
macOS | Kernel | IOReturn.h |
| 3758097108, -536870188 (int32) (0xE00002D4) |
kIOReturnDMAError
DMA operation failed due to hardware or resource issues.
|
macOS | Kernel | IOReturn.h |
| 3758097084, -536870212 (int32) (0xE00002BC) |
kIOReturnError
Generic I/O Kit error; operation failed.
|
macOS | Kernel | IOReturn.h |
| 3758097093, -536870203 (int32) (0xE00002C5) |
kIOReturnExclusiveAccess
Operation failed; exclusive access to resource is required.
|
macOS | Kernel | IOReturn.h |
| 3758097097, -536870199 (int32) (0xE00002C9) |
kIOReturnInternalError
Internal I/O Kit error; operation failed unexpectedly.
|
macOS | Kernel | IOReturn.h |
| 3758096385, -536870911 (int32) (0xE0000001) |
kIOReturnInvalid
Invalid parameter or state for the operation.
|
macOS | Kernel | IOReturn.h |
| 3758097098, -536870198 (int32) (0xE00002CA) |
kIOReturnIOError
Input/output error occurred during operation.
|
macOS | Kernel | IOReturn.h |