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
-1737
errAEStreamBadNesting
Apple Event: stream bad nesting error.
macOS CarbonCore MacErrors.h
-1742
errAETargetAddressNotPermitted
Target address is not allowed or blocked for AppleEvent.
macOS AE AppleEvents.h
-1712
errAETimeout
Apple Event timeout occurred.
macOS CarbonCore MacErrors.h
-10001
errAETypeError
Apple Event type error.
macOS CarbonCore MacErrors.h
-1716
errAEUnknownAddressType
AppleEvent address type is unknown
macOS CarbonCore MacErrors.h
-1731
errAEUnknownObjectType
AppleEvent encountered an unknown object type.
macOS CarbonCore MacErrors.h
-1710
errAEUnknownSendMode
Apple Event send mode is unrecognized.
macOS CarbonCore MacErrors.h
-15279
errAEValueOutOfRange
AppleEvent value is out of valid range.
macOS OpenScripting FinderRegistry.h
-1711
errAEWaitCanceled
Apple Event wait operation was canceled.
macOS CarbonCore MacErrors.h
-10006
errAEWriteDenied
Write access denied for AppleEvent data
macOS CarbonCore MacErrors.h
-1703
errAEWrongDataType
Apple Event wrong data type.
macOS CarbonCore MacErrors.h
-1721
errAEWrongNumberArgs
Apple Event wrong number of arguments
macOS CarbonCore MacErrors.h
-5243
errAlreadyInImagingMode
Imaging mode is already active, cannot reenter.
macOS CarbonCore MacErrors.h
-2721
errASCantCompareMoreThan32k
Too many bytes to compare in AppleScript
macOS CarbonCore MacErrors.h
-2720
errASCantConsiderAndIgnore
AppleScript cannot both consider and ignore the same class.
macOS CarbonCore MacErrors.h
-2761
errASIllegalFormalParameter
Application services illegal formal parameter.
macOS CarbonCore MacErrors.h
-2780
errASInconsistentNames
AppleScript found inconsistent or duplicate names.
macOS CarbonCore MacErrors.h
-2763
errASNoResultReturned
No result was returned from the AppleScript.
macOS CarbonCore MacErrors.h
-2762
errASParameterNotForEvent
Parameter is not valid for the specified AppleScript event.
macOS CarbonCore MacErrors.h
-2760
errASTerminologyNestingTooDeep
AppleScript terminology nesting too deep
macOS CarbonCore MacErrors.h
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