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 |
|---|---|---|---|---|
| -1015 |
kCFURLErrorCannotDecodeRawData
Cannot decode raw data from the response.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1003 |
kCFURLErrorCannotFindHost
Cannot resolve or find the specified host.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -2000 |
kCFURLErrorCannotLoadFromNetwork
CFNetwork cannot load data from network.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -3005 |
kCFURLErrorCannotMoveFile
Cannot move file in CFNetwork.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -3001 |
kCFURLErrorCannotOpenFile
CFNetwork could not open the specified file.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1017 |
kCFURLErrorCannotParseResponse
CFNetwork cannot parse response error
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -3004 |
kCFURLErrorCannotRemoveFile
CFNetwork cannot remove the specified file.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -3003 |
kCFURLErrorCannotWriteToFile
Unable to write to the specified file URL.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1205 |
kCFURLErrorClientCertificateRejected
Client certificate rejected in URL.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1206 |
kCFURLErrorClientCertificateRequired
CFURL requires client certificate.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1103 |
kCFURLErrorDataLengthExceedsMaximum
Data length exceeds the maximum allowed by CFNetwork.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1020 |
kCFURLErrorDataNotAllowed
CFNetwork data is not allowed.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1006 |
kCFURLErrorDNSLookupFailed
DNS lookup failed for the requested URL.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -3006 |
kCFURLErrorDownloadDecodingFailedMidStream
Download decoding failed mid-stream.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -3007 |
kCFURLErrorDownloadDecodingFailedToComplete
CFNetwork: download decoding failed to complete.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1100 |
kCFURLErrorFileDoesNotExist
Specified file does not exist at the given URL.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1101 |
kCFURLErrorFileIsDirectory
URL error: file is a directory.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1104 |
kCFURLErrorFileOutsideSafeArea
File is outside the permissible area.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1007 |
kCFURLErrorHTTPTooManyRedirects
CFURL error: too many HTTP redirects.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |
| -1018 |
kCFURLErrorInternationalRoamingOff
International data roaming is off, blocking the request.
|
iOS, macOS, tvOS, visionOS, watchOS | CFNetwork | CFNetworkErrors.h |