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
6
CNCinematicErrorCodeIncompatible
Incompatible cinematic error.
iOS, macOS, tvOS Cinematic CNCinematicError.h
3
CNCinematicErrorCodeIncomplete
Cinematic data is incomplete.
iOS, macOS, tvOS Cinematic CNCinematicError.h
4
CNCinematicErrorCodeMalformed
Malformed cinematic error.
iOS, macOS, tvOS Cinematic CNCinematicError.h
1
CNCinematicErrorCodeUnknown
Unknown error occurred in Cinematic.
iOS, macOS, tvOS Cinematic CNCinematicError.h
2
CNCinematicErrorCodeUnreadable
Cinematic error: Unreadable content.
iOS, macOS, tvOS Cinematic CNCinematicError.h
5
CNCinematicErrorCodeUnsupported
Unsupported cinematic feature or configuration.
iOS, macOS, tvOS Cinematic CNCinematicError.h
100
CNErrorCodeAuthorizationDenied
Authorization request for Contacts was denied.
iOS, macOS, visionOS, watchOS Contacts CNError.h
603
CNErrorCodeChangeHistoryExpired
Contacts change history has expired.
iOS, macOS, visionOS, watchOS Contacts CNError.h
604
CNErrorCodeChangeHistoryInvalidAnchor
Contacts change history invalid anchor.
iOS, macOS, visionOS, watchOS Contacts CNError.h
605
CNErrorCodeChangeHistoryInvalidFetchRequest
Invalid fetch request for change history in Contacts.
iOS, macOS, visionOS, watchOS Contacts CNError.h
602
CNErrorCodeClientIdentifierCollision
Another client identifier collides with the current one in Contacts.
iOS, macOS, visionOS, watchOS Contacts CNError.h
601
CNErrorCodeClientIdentifierDoesNotExist
Client identifier does not exist in Contacts.
iOS, macOS, visionOS, watchOS Contacts CNError.h
600
CNErrorCodeClientIdentifierInvalid
Client identifier is invalid in Contacts.
iOS, macOS, visionOS, watchOS Contacts CNError.h
1
CNErrorCodeCommunicationError
Communication error occurred in Contacts framework.
iOS, macOS, visionOS, watchOS Contacts CNError.h
202
CNErrorCodeContainmentCycle
Containment cycle detected in Contacts
iOS, macOS, visionOS, watchOS Contacts CNError.h
203
CNErrorCodeContainmentScope
Containment scope is invalid in contact operations.
iOS, macOS, visionOS, watchOS Contacts CNError.h
2
CNErrorCodeDataAccessError
Data access error in Contacts.
iOS, macOS, visionOS, watchOS Contacts CNError.h
201
CNErrorCodeInsertedRecordAlreadyExists
Contact inserted record already exists.
iOS, macOS, visionOS, watchOS Contacts CNError.h
101
CNErrorCodeNoAccessableWritableContainers
Contacts framework has no accessible writable containers.
iOS, macOS, visionOS, watchOS Contacts CNError.h
204
CNErrorCodeParentRecordDoesNotExist
Parent record does not exist in Contacts.
iOS, macOS, visionOS, watchOS Contacts CNError.h
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