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
2
AAAttributionErrorCodeInternalError
Internal attribution error in AdServices.
iOS, macOS, visionOS, watchOS AdServices AAAttribution.h
1
AAAttributionErrorCodeNetworkError
ASAttribution network error.
iOS, macOS, visionOS, watchOS AdServices AAAttribution.h
3
AAAttributionErrorCodePlatformNotSupported
Attribution API is not supported on this platform.
iOS, macOS, visionOS, watchOS AdServices AAAttribution.h
-2120
AAPNotCreatedErr
Application AAP not created.
macOS CarbonCore MacErrors.h
-2121
AAPNotFoundErr
AAP not found error.
macOS CarbonCore MacErrors.h
1001
ABAddRecordsError
Failed to add records to the Address Book.
macOS AddressBook ABAddressBook.h
-27
abortErr
IO operation aborted.
macOS CarbonCore MacErrors.h
1014
ABPropertyReadOnlyError
Address Book property is read-only and cannot be modified.
macOS AddressBook ABAddressBook.h
1013
ABPropertyUnsupportedBySourceError
Address Book property is unsupported by the current source
macOS AddressBook ABAddressBook.h
1012
ABPropertyValueValidationError
Invalid property value in Address Book
macOS AddressBook ABAddressBook.h
1002
ABRemoveRecordsError
Failed to remove Address Book records.
macOS AddressBook ABAddressBook.h
10
ACErrorAccessDeniedByProtectionPolicy
Access denied due to protection policy or security restrictions.
iOS, macOS Accounts ACError.h
8
ACErrorAccessInfoInvalid
Access information provided is invalid or incomplete.
iOS, macOS Accounts ACError.h
5
ACErrorAccountAlreadyExists
Failed to create an account because it already exists.
iOS, macOS Accounts ACError.h
3
ACErrorAccountAuthenticationFailed
Authentication failed for the specified account.
iOS, macOS Accounts ACError.h
2
ACErrorAccountMissingRequiredProperty
Account missing required property in Accounts.
iOS, macOS Accounts ACError.h
6
ACErrorAccountNotFound
Account not found in Accounts.
iOS, macOS Accounts ACError.h
4
ACErrorAccountTypeInvalid
Invalid account type specified; unsupported or misconfigured.
iOS, macOS Accounts ACError.h
9
ACErrorClientPermissionDenied
The client application lacks the necessary permissions to perform the operation.
iOS, macOS Accounts ACError.h
18
ACErrorCoreDataSaveFailed
Core Data save operation failed in Accounts
iOS, macOS Accounts ACError.h
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