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
1003
QTErrorIncompatibleOutput
The output device or format is incompatible with QuickTime.
macOS QTKit QTError.h
1501
QTErrorInvalidDestinationFileTypeForExport
Invalid destination file type for export in QuickTime
macOS QTKit QTError.h
1100
QTErrorInvalidInputsOrOutputs
QuickTime invalid inputs or outputs.
macOS QTKit QTError.h
1502
QTErrorInvalidSourceFileTypeForExport
QuickTime invalid source file type for export.
macOS QTKit QTError.h
1205
QTErrorMaximumDurationReached
QuickTime operation reached maximum allowed duration.
macOS QTKit QTError.h
1206
QTErrorMaximumFileSizeReached
Maximum file size limit reached for QTKit operation
macOS QTKit QTError.h
1208
QTErrorMaximumNumberOfSamplesForFileFormatReached
File format cannot contain more samples
macOS QTKit QTError.h
1204
QTErrorMediaChanged
Media has changed in QuickTime, requiring reconfiguration.
macOS QTKit QTError.h
1207
QTErrorMediaDiscontinuity
Media discontinuity detected in QuickTime
macOS QTKit QTError.h
1200
QTErrorNoDataCaptured
QuickTime failed to capture data.
macOS QTKit QTError.h
1201
QTErrorSessionConfigurationChanged
QuickTime session configuration has changed.
macOS QTKit QTError.h
-1
QTErrorUnknown
Unknown QuickTime error.
macOS QTKit QTError.h
-2094
qtmlDllEntryNotFoundErr
Entry point not found in the QuickTime library.
macOS CarbonCore MacErrors.h
-2093
qtmlDllLoadErr
Could not load the QuickTime DLL or library.
macOS CarbonCore MacErrors.h
-2095
qtmlUninitialized
QuickTime Media Layer is not initialized.
macOS CarbonCore MacErrors.h
-1
QTMovieLoadStateError
QuickTime movie load state error.
macOS QTKit QTMovie.h
-2127
qtNetworkAlreadyAllocatedErr
QuickTime network is already allocated or in use.
macOS CarbonCore MacErrors.h
-2202
qtParamErr
QuickTime parameter error.
macOS CarbonCore MacErrors.h
-5421
qtsAddressBusyErr
Address busy in QuickTime Streaming.
macOS CarbonCore MacErrors.h
-5402
qtsBadDataErr
QuickTime system encountered bad or corrupt data.
macOS CarbonCore MacErrors.h
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