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 |
|---|---|---|---|---|
| 66 |
NSXMLParserSeparatorRequiredError
XML parser requires a separator.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 65 |
NSXMLParserSpaceRequiredError
Missing space required by XML syntax.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 78 |
NSXMLParserStandaloneValueError
Invalid or conflicting standalone value in XML.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 34 |
NSXMLParserStringNotClosedError
String literal not closed in XML.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 33 |
NSXMLParserStringNotStartedError
XML parser string not started.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 76 |
NSXMLParserTagNameMismatchError
XML start and end tag names do not match.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 26 |
NSXMLParserUndeclaredEntityError
Entity is not declared in the XML parser.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 77 |
NSXMLParserUnfinishedTagError
XML parser encountered an unfinished tag.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 31 |
NSXMLParserUnknownEncodingError
XML encoding is unknown or unsupported.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 28 |
NSXMLParserUnparsedEntityError
Parser encountered an unparsed entity.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 92 |
NSXMLParserURIFragmentError
URI fragment in XML parser is invalid
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 70 |
NSXMLParserURIRequiredError
A required URI was not provided.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 57 |
NSXMLParserXMLDeclNotFinishedError
XML declaration is incomplete
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 56 |
NSXMLParserXMLDeclNotStartedError
XML parser XML declaration not started.
|
iOS, macOS, tvOS, visionOS, watchOS | Foundation | NSXMLParser.h |
| 4224 |
NSXPCConnectionErrorMaximum
Maximum number of XPC connections reached.
|
macOS | Foundation | FoundationErrors.h |
| 4096 |
NSXPCConnectionErrorMinimum
Minimum error code for NSXPCConnection.
|
macOS | Foundation | FoundationErrors.h |
| 4097 |
NSXPCConnectionInterrupted
NSXPC connection interrupted.
|
macOS | Foundation | FoundationErrors.h |
| 4099 |
NSXPCConnectionInvalid
Invalid or closed XPC connection.
|
macOS | Foundation | FoundationErrors.h |
| 4101 |
NSXPCConnectionReplyInvalid
The XPC reply message is invalid or malformed.
|
macOS | Foundation | FoundationErrors.h |
| -5211 |
numberFormattingBadCurrencyPositionErr
Currency positioning is invalid for number formatting.
|
macOS | CarbonCore | MacErrors.h |