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 |
|---|---|---|---|---|
| 1852990585 ('nrdy') (0x6e726479) |
kAudioHardwareNotReadyError
Audio hardware is not ready for operation
|
macOS | CoreAudio | AudioHardwareBase.h |
| 1937010544 ('stop') (0x73746f70) |
kAudioHardwareNotRunningError
Audio hardware is not running
|
macOS | CoreAudio | AudioHardwareBase.h |
| 2003332927 ('who?') (0x77686f3f) |
kAudioHardwareUnknownPropertyError
Unknown audio hardware property.
|
macOS | CoreAudio | AudioHardwareBase.h |
| 2003329396 ('what') (0x77686174) |
kAudioHardwareUnspecifiedError
An unspecified error occurred in audio hardware.
|
macOS | CoreAudio | AudioHardwareBase.h |
| 1970171760 ('unop') (0x756e6f70) |
kAudioHardwareUnsupportedOperationError
Audio hardware unsupported operation error.
|
macOS | CoreAudio | AudioHardwareBase.h |
| -66686 |
kAudioQueueErr_BufferEmpty
Audio queue buffer is unexpectedly empty.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66666 |
kAudioQueueErr_BufferEnqueuedTwice
Buffer was enqueued more than once without being returned.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66679 |
kAudioQueueErr_BufferInQueue
Buffer is already in the queue.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66681 |
kAudioQueueErr_CannotStart
Audio queue could not start.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66665 |
kAudioQueueErr_CannotStartYet
Audio queue cannot start at this time.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66673 |
kAudioQueueErr_CodecNotFound
Audio codec could not be found.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66685 |
kAudioQueueErr_DisposalPending
Audio queue is in the process of being disposed.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66632 |
kAudioQueueErr_EnqueueDuringReset
Buffer was enqueued while the queue was resetting, which is not allowed.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66687 |
kAudioQueueErr_InvalidBuffer
Invalid buffer was passed to the audio queue.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66672 |
kAudioQueueErr_InvalidCodecAccess
Audio queue was unable to access or initialize the requested codec.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66680 |
kAudioQueueErr_InvalidDevice
Audio device is invalid.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66626 |
kAudioQueueErr_InvalidOfflineMode
Offline mode is invalid or not supported for this audio queue.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66682 |
kAudioQueueErr_InvalidParameter
Parameters passed to the audio queue function are invalid.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66684 |
kAudioQueueErr_InvalidProperty
Property is not recognized or not supported by the audio queue.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |
| -66683 |
kAudioQueueErr_InvalidPropertySize
Property data size is invalid.
|
iOS, macOS, tvOS, visionOS, watchOS | AudioToolbox | AudioQueue.h |