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 |
|---|---|---|---|---|
| -4200 |
kNSLInitializationFailed
LaunchServices initialization failed.
|
macOS | CarbonCore | MacErrors.h |
| -4197 |
kNSLInsufficientOTVer
Insufficient OpenTransport version
|
macOS | CarbonCore | MacErrors.h |
| -4198 |
kNSLInsufficientSysVer
Insufficient system version for NSL operation.
|
macOS | CarbonCore | MacErrors.h |
| -4190 |
kNSLInvalidPluginSpec
Invalid plugin specification in CarbonCore.
|
macOS | CarbonCore | MacErrors.h |
| -4173 |
kNSLNoCarbonLib
No Carbon library available in NSL
|
macOS | CarbonCore | MacErrors.h |
| -4188 |
kNSLNoContextAvailable
No context available in Name Service Lookup.
|
macOS | CarbonCore | MacErrors.h |
| -4196 |
kNSLNoElementsInList
No elements in NSL list.
|
macOS | CarbonCore | MacErrors.h |
| -4179 |
kNSLNoPluginsForSearch
No plugins available for search.
|
macOS | CarbonCore | MacErrors.h |
| -4181 |
kNSLNoPluginsFound
No suitable plugins found for the network service location
|
macOS | CarbonCore | MacErrors.h |
| -4191 |
kNSLNoSupportForService
NSL service not supported.
|
macOS | CarbonCore | MacErrors.h |
| -4175 |
kNSLNotImplementedYet
Functionality not implemented yet.
|
macOS | CarbonCore | MacErrors.h |
| -4199 |
kNSLNotInitialized
Name Service Lookup not initialized.
|
macOS | CarbonCore | MacErrors.h |
| -4184 |
kNSLNullListPtr
NSL null list pointer error.
|
macOS | CarbonCore | MacErrors.h |
| -4178 |
kNSLNullNeighborhoodPtr
Null neighborhood pointer in Name Service Lookup.
|
macOS | CarbonCore | MacErrors.h |
| -4182 |
kNSLPluginLoadFailed
NSL plugin failed to load.
|
macOS | CarbonCore | MacErrors.h |
| -4189 |
kNSLRequestBufferAlreadyInList
NSL request buffer is already in list.
|
macOS | CarbonCore | MacErrors.h |
| -4171 |
kNSLSchedulerError
NSL scheduler encountered an error.
|
macOS | CarbonCore | MacErrors.h |
| -4180 |
kNSLSearchAlreadyInProgress
Name Service Lookup search already in progress.
|
macOS | CarbonCore | MacErrors.h |
| -4177 |
kNSLSomePluginsFailedToLoad
Some plugins failed to load in NSL
|
macOS | CarbonCore | MacErrors.h |
| -4174 |
kNSLUILibraryNotAvailable
Name Service Lookup UI library is not available.
|
macOS | CarbonCore | MacErrors.h |