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
-1405
errFSBadInfoBitmap
Bad info bitmap in filesystem operation.
macOS CarbonCore MacErrors.h
-1418
errFSBadItemCount
Bad item count in file system operation.
macOS CarbonCore MacErrors.h
-1422
errFSBadIteratorFlags
Bad flags specified for filesystem iterator
macOS CarbonCore MacErrors.h
-1412
errFSBadPosMode
Bad position mode in filesystem operation
macOS CarbonCore MacErrors.h
-1419
errFSBadSearchParams
Filesystem encountered invalid search parameters.
macOS CarbonCore MacErrors.h
-1421
errFSForkExists
A fork with the specified name already exists in the filesystem.
macOS CarbonCore MacErrors.h
-1409
errFSForkNotFound
File system fork not found.
macOS CarbonCore MacErrors.h
-1423
errFSIteratorNotFound
Filesystem iterator object not found.
macOS CarbonCore MacErrors.h
-1424
errFSIteratorNotSupported
Filesystem iterator operation not supported.
macOS CarbonCore MacErrors.h
-1406
errFSMissingCatInfo
File system missing catalog information
macOS CarbonCore MacErrors.h
-1411
errFSMissingName
File system encountered missing name error.
macOS CarbonCore MacErrors.h
-1410
errFSNameTooLong
File system name is too long
macOS CarbonCore MacErrors.h
-1417
errFSNoMoreItems
File system has no more items.
macOS CarbonCore MacErrors.h
-1407
errFSNotAFolder
File system operation requires a folder but was provided a non-folder.
macOS CarbonCore MacErrors.h
-1429
errFSNotEnoughSpaceForOperation
Not enough free space to complete the filesystem operation.
macOS CarbonCore MacErrors.h
-1426
errFSOperationNotSupported
File system operation is not supported in CarbonCore.
macOS CarbonCore MacErrors.h
-1428
errFSPropertyNotValid
File system property is not valid.
macOS CarbonCore MacErrors.h
-1425
errFSQuotaExceeded
Filesystem quota has been exceeded.
macOS CarbonCore MacErrors.h
-1420
errFSRefsDifferent
AppleFileSystem references are different.
macOS CarbonCore MacErrors.h
-1400
errFSUnknownCall
Unknown file system call error.
macOS CarbonCore MacErrors.h
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