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 |
|---|---|---|---|---|
| 134200 |
NSExternalRecordImportError
CoreData: external record import error.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreData | CoreDataErrors.h |
| 3328 |
NSFeatureUnsupportedError
Requested feature is unsupported
|
macOS | Foundation | FoundationErrors.h |
| 1023 |
NSFileErrorMaximum
Maximum file error reached.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 0 |
NSFileErrorMinimum
Minimum file error in Foundation.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 255 |
NSFileLockingError
File locking error in Foundation
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 769 |
NSFileManagerUnmountBusyError
Volume is busy and cannot be unmounted.
|
iOS, macOS, tvOS, watchOS | Foundation | FoundationErrors.h |
| 768 |
NSFileManagerUnmountUnknownError
Failure to unmount a volume with no known cause.
|
iOS, macOS, tvOS, watchOS | Foundation | FoundationErrors.h |
| 4 |
NSFileNoSuchFileError
The specified file does not exist.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| -1001 |
NSFileProviderErrorFilenameCollision
A file with the same name already exists.
|
iOS, macOS, visionOS, watchOS | FileProvider | NSFileProviderError.h |
| -1003 |
NSFileProviderErrorInsufficientQuota
Not enough storage quota available
|
iOS, macOS, visionOS, watchOS | FileProvider | NSFileProviderError.h |
| -1005 |
NSFileProviderErrorNoSuchItem
Requested item does not exist
|
iOS, macOS, visionOS, watchOS | FileProvider | NSFileProviderError.h |
| -1000 |
NSFileProviderErrorNotAuthenticated
File provider not authenticated.
|
iOS, macOS, visionOS, watchOS | FileProvider | NSFileProviderError.h |
| -1004 |
NSFileProviderErrorServerUnreachable
Server is unreachable; cannot complete the file provider request.
|
iOS, macOS, visionOS, watchOS | FileProvider | NSFileProviderError.h |
| -1002 |
NSFileProviderErrorSyncAnchorExpired
File provider sync anchor has expired.
|
iOS, macOS, visionOS, watchOS | FileProvider | NSFileProviderError.h |
| 259 |
NSFileReadCorruptFileError
File read is corrupt.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 261 |
NSFileReadInapplicableStringEncodingError
Inapplicable string encoding error during file read.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 258 |
NSFileReadInvalidFileNameError
Invalid file name when reading file.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 257 |
NSFileReadNoPermissionError
No permission to read file.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 260 |
NSFileReadNoSuchFileError
File to read does not exist.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | FoundationErrors.h |
| 263 |
NSFileReadTooLargeError
File read failed because the file is too large.
|
macOS | Foundation | FoundationErrors.h |