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
-25295
errKCInvalidKeychain
Security keychain invalid.
macOS CarbonCore MacErrors.h
-25305
errKCInvalidSearchRef
Invalid search reference for the keychain.
macOS CarbonCore MacErrors.h
-25300
errKCItemNotFound
Security keychain item not found.
macOS CarbonCore MacErrors.h
-25311
errKCKeySizeNotAllowed
Key size not permitted
macOS CarbonCore MacErrors.h
-25313
errKCNoCertificateModule
No certificate module found
macOS CarbonCore MacErrors.h
-25307
errKCNoDefaultKeychain
No default keychain available
macOS CarbonCore MacErrors.h
-25314
errKCNoPolicyModule
No policy module found
macOS CarbonCore MacErrors.h
-25312
errKCNoStorageModule
No storage module found
macOS CarbonCore MacErrors.h
-25303
errKCNoSuchAttr
Requested keychain attribute was not found.
macOS CarbonCore MacErrors.h
-25306
errKCNoSuchClass
No matching keychain class found
macOS CarbonCore MacErrors.h
-25294
errKCNoSuchKeychain
Keychain no such keychain error.
macOS CarbonCore MacErrors.h
-25291
errKCNotAvailable
Keychain is not available or cannot be accessed at this time.
macOS CarbonCore MacErrors.h
-25292
errKCReadOnly
Keychain attribute is read-only.
macOS CarbonCore MacErrors.h
-25309
errKCReadOnlyAttr
Read-only Keychain attribute cannot be modified
macOS CarbonCore MacErrors.h
-25310
errKCWrongKCVersion
Incompatible Keychain version
macOS CarbonCore MacErrors.h
-5241
errMarginWilllNotFit
Margin does not fit for the requested operation.
macOS CarbonCore MacErrors.h
-30580
errMessageNotSupported
Control does not support the specified message or event.
macOS CarbonCore MacErrors.h
-30598
errNeedsCompositedWindow
Operation requires a composited window environment.
macOS HIToolbox HIView.h
0
errno
Error number.
macOS Python pyport.h
-5248
errNoHiliteText
No highlighted text error.
macOS CarbonCore MacErrors.h
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