--- title: CocoaError framework: foundation role: symbol role_heading: Structure path: foundation/cocoaerror --- # CocoaError Describes errors within the Cocoa error domain. ## Declaration ```swift struct CocoaError ``` ## Topics ### Structures - [CocoaError.Code](foundation/cocoaerror/code.md) ### Instance Properties - [affectedObjects](foundation/cocoaerror/affectedobjects.md) - [affectedStores](foundation/cocoaerror/affectedstores.md) - [filePath](foundation/cocoaerror/filepath.md) - [isCoderError](foundation/cocoaerror/iscodererror.md) - [isExecutableError](foundation/cocoaerror/isexecutableerror.md) - [isFileError](foundation/cocoaerror/isfileerror.md) - [isFontError](foundation/cocoaerror/isfonterror.md) - [isFormattingError](foundation/cocoaerror/isformattingerror.md) - [isPropertyListError](foundation/cocoaerror/ispropertylisterror.md) - [isServiceError](foundation/cocoaerror/isserviceerror.md) - [isSharingServiceError](foundation/cocoaerror/issharingserviceerror.md) - [isTextReadWriteError](foundation/cocoaerror/istextreadwriteerror.md) - [isUbiquitousFileError](foundation/cocoaerror/isubiquitousfileerror.md) - [isUserActivityError](foundation/cocoaerror/isuseractivityerror.md) - [isValidationError](foundation/cocoaerror/isvalidationerror.md) - [isXPCConnectionError](foundation/cocoaerror/isxpcconnectionerror.md) - [persistentStoreSaveConflicts](foundation/cocoaerror/persistentstoresaveconflicts-swift.property.md) - [stringEncoding](foundation/cocoaerror/stringencoding.md) - [underlying](foundation/cocoaerror/underlying.md) - [underlyingErrors](foundation/cocoaerror/underlyingerrors.md) - [url](foundation/cocoaerror/url.md) - [validationKey](foundation/cocoaerror/validationkey.md) - [validationObject](foundation/cocoaerror/validationobject.md) - [validationPredicate](foundation/cocoaerror/validationpredicate.md) - [validationValue](foundation/cocoaerror/validationvalue.md) ### Type Properties - [ServiceApplicationLaunchFailedError](foundation/cocoaerror/serviceapplicationlaunchfailederror-4hf03.md) - [ServiceApplicationNotFoundError](foundation/cocoaerror/serviceapplicationnotfounderror-9j679.md) - [ServiceInvalidPasteboardDataError](foundation/cocoaerror/serviceinvalidpasteboarddataerror-4tjaw.md) - [ServiceMalformedServiceDictionaryError](foundation/cocoaerror/servicemalformedservicedictionaryerror-5cpn1.md) - [ServiceMiscellaneousError](foundation/cocoaerror/servicemiscellaneouserror-3ti3r.md) - [ServiceRequestTimedOutError](foundation/cocoaerror/servicerequesttimedouterror-7kzoa.md) - [SharingServiceNotConfiguredError](foundation/cocoaerror/sharingservicenotconfigurederror-5lamn.md) - [TextReadInapplicableDocumentTypeError](foundation/cocoaerror/textreadinapplicabledocumenttypeerror-9o1dx.md) - [TextWriteInapplicableDocumentTypeError](foundation/cocoaerror/textwriteinapplicabledocumenttypeerror-4aoa6.md) - [coderInvalidValue](foundation/cocoaerror/coderinvalidvalue.md) - [coderReadCorrupt](foundation/cocoaerror/coderreadcorrupt.md) - [coderReadCorruptError](foundation/cocoaerror/coderreadcorrupterror.md) - [coderValueNotFound](foundation/cocoaerror/codervaluenotfound.md) - [coderValueNotFoundError](foundation/cocoaerror/codervaluenotfounderror.md) - [coreData](foundation/cocoaerror/coredata.md) - [coreDataError](foundation/cocoaerror/coredataerror.md) - [entityMigrationPolicy](foundation/cocoaerror/entitymigrationpolicy.md) - [entityMigrationPolicyError](foundation/cocoaerror/entitymigrationpolicyerror.md) - [executableArchitectureMismatch](foundation/cocoaerror/executablearchitecturemismatch.md) - [executableArchitectureMismatchError](foundation/cocoaerror/executablearchitecturemismatcherror.md) - [executableLink](foundation/cocoaerror/executablelink.md) - [executableLinkError](foundation/cocoaerror/executablelinkerror.md) - [executableLoad](foundation/cocoaerror/executableload.md) - [executableLoadError](foundation/cocoaerror/executableloaderror.md) - [executableNotLoadable](foundation/cocoaerror/executablenotloadable.md) - [executableNotLoadableError](foundation/cocoaerror/executablenotloadableerror.md) - [executableRuntimeMismatch](foundation/cocoaerror/executableruntimemismatch.md) - [executableRuntimeMismatchError](foundation/cocoaerror/executableruntimemismatcherror.md) - [externalRecordImport](foundation/cocoaerror/externalrecordimport.md) - [externalRecordImportError](foundation/cocoaerror/externalrecordimporterror.md) - [featureUnsupported](foundation/cocoaerror/featureunsupported.md) - [featureUnsupportedError](foundation/cocoaerror/featureunsupportederror.md) - [fileLocking](foundation/cocoaerror/filelocking.md) - [fileLockingError](foundation/cocoaerror/filelockingerror.md) - [fileManagerUnmountBusy](foundation/cocoaerror/filemanagerunmountbusy.md) - [fileManagerUnmountBusyError](foundation/cocoaerror/filemanagerunmountbusyerror.md) - [fileManagerUnmountUnknown](foundation/cocoaerror/filemanagerunmountunknown.md) - [fileManagerUnmountUnknownError](foundation/cocoaerror/filemanagerunmountunknownerror.md) - [fileNoSuchFile](foundation/cocoaerror/filenosuchfile.md) - [fileNoSuchFileError](foundation/cocoaerror/filenosuchfileerror.md) - [fileReadCorruptFile](foundation/cocoaerror/filereadcorruptfile.md) - [fileReadCorruptFileError](foundation/cocoaerror/filereadcorruptfileerror.md) - [fileReadInapplicableStringEncoding](foundation/cocoaerror/filereadinapplicablestringencoding.md) - [fileReadInapplicableStringEncodingError](foundation/cocoaerror/filereadinapplicablestringencodingerror.md) - [fileReadInvalidFileName](foundation/cocoaerror/filereadinvalidfilename.md) - [fileReadInvalidFileNameError](foundation/cocoaerror/filereadinvalidfilenameerror.md) - [fileReadNoPermission](foundation/cocoaerror/filereadnopermission.md) - [fileReadNoPermissionError](foundation/cocoaerror/filereadnopermissionerror.md) - [fileReadNoSuchFile](foundation/cocoaerror/filereadnosuchfile.md) - [fileReadNoSuchFileError](foundation/cocoaerror/filereadnosuchfileerror.md) - [fileReadTooLarge](foundation/cocoaerror/filereadtoolarge.md) - [fileReadTooLargeError](foundation/cocoaerror/filereadtoolargeerror.md) - [fileReadUnknown](foundation/cocoaerror/filereadunknown.md) - [fileReadUnknownError](foundation/cocoaerror/filereadunknownerror.md) - [fileReadUnknownStringEncoding](foundation/cocoaerror/filereadunknownstringencoding.md) - [fileReadUnknownStringEncodingError](foundation/cocoaerror/filereadunknownstringencodingerror.md) - [fileReadUnsupportedScheme](foundation/cocoaerror/filereadunsupportedscheme.md) - [fileReadUnsupportedSchemeError](foundation/cocoaerror/filereadunsupportedschemeerror.md) - [fileWriteFileExists](foundation/cocoaerror/filewritefileexists.md) - [fileWriteFileExistsError](foundation/cocoaerror/filewritefileexistserror.md) - [fileWriteInapplicableStringEncoding](foundation/cocoaerror/filewriteinapplicablestringencoding.md) - [fileWriteInapplicableStringEncodingError](foundation/cocoaerror/filewriteinapplicablestringencodingerror.md) - [fileWriteInvalidFileName](foundation/cocoaerror/filewriteinvalidfilename.md) - [fileWriteInvalidFileNameError](foundation/cocoaerror/filewriteinvalidfilenameerror.md) - [fileWriteNoPermission](foundation/cocoaerror/filewritenopermission.md) - [fileWriteNoPermissionError](foundation/cocoaerror/filewritenopermissionerror.md) - [fileWriteOutOfSpace](foundation/cocoaerror/filewriteoutofspace.md) - [fileWriteOutOfSpaceError](foundation/cocoaerror/filewriteoutofspaceerror.md) - [fileWriteUnknown](foundation/cocoaerror/filewriteunknown.md) - [fileWriteUnknownError](foundation/cocoaerror/filewriteunknownerror.md) - [fileWriteUnsupportedScheme](foundation/cocoaerror/filewriteunsupportedscheme.md) - [fileWriteUnsupportedSchemeError](foundation/cocoaerror/filewriteunsupportedschemeerror.md) - [fileWriteVolumeReadOnly](foundation/cocoaerror/filewritevolumereadonly.md) - [fileWriteVolumeReadOnlyError](foundation/cocoaerror/filewritevolumereadonlyerror.md) - [fontAssetDownloadError](foundation/cocoaerror/fontassetdownloaderror.md) - [formatting](foundation/cocoaerror/formatting.md) - [formattingError](foundation/cocoaerror/formattingerror.md) - [inferredMappingModel](foundation/cocoaerror/inferredmappingmodel.md) - [inferredMappingModelError](foundation/cocoaerror/inferredmappingmodelerror.md) - [keyValueValidation](foundation/cocoaerror/keyvaluevalidation.md) - [keyValueValidationError](foundation/cocoaerror/keyvaluevalidationerror.md) - [managedObjectConstraintMerge](foundation/cocoaerror/managedobjectconstraintmerge.md) - [managedObjectConstraintMergeError](foundation/cocoaerror/managedobjectconstraintmergeerror.md) - [managedObjectContextLocking](foundation/cocoaerror/managedobjectcontextlocking.md) - [managedObjectContextLockingError](foundation/cocoaerror/managedobjectcontextlockingerror.md) - [managedObjectExternalRelationship](foundation/cocoaerror/managedobjectexternalrelationship.md) - [managedObjectExternalRelationshipError](foundation/cocoaerror/managedobjectexternalrelationshiperror.md) - [managedObjectMerge](foundation/cocoaerror/managedobjectmerge.md) - [managedObjectMergeError](foundation/cocoaerror/managedobjectmergeerror.md) - [managedObjectReferentialIntegrity](foundation/cocoaerror/managedobjectreferentialintegrity.md) - [managedObjectReferentialIntegrityError](foundation/cocoaerror/managedobjectreferentialintegrityerror.md) - [managedObjectValidation](foundation/cocoaerror/managedobjectvalidation.md) - [managedObjectValidationError](foundation/cocoaerror/managedobjectvalidationerror.md) - [migration](foundation/cocoaerror/migration.md) - [migrationCancelled](foundation/cocoaerror/migrationcancelled.md) - [migrationCancelledError](foundation/cocoaerror/migrationcancellederror.md) - [migrationError](foundation/cocoaerror/migrationerror.md) - [migrationManagerDestinationStore](foundation/cocoaerror/migrationmanagerdestinationstore.md) - [migrationManagerDestinationStoreError](foundation/cocoaerror/migrationmanagerdestinationstoreerror.md) - [migrationManagerSourceStore](foundation/cocoaerror/migrationmanagersourcestore.md) - [migrationManagerSourceStoreError](foundation/cocoaerror/migrationmanagersourcestoreerror.md) - [migrationMissingMappingModel](foundation/cocoaerror/migrationmissingmappingmodel.md) - [migrationMissingMappingModelError](foundation/cocoaerror/migrationmissingmappingmodelerror.md) - [migrationMissingSourceModel](foundation/cocoaerror/migrationmissingsourcemodel.md) - [migrationMissingSourceModelError](foundation/cocoaerror/migrationmissingsourcemodelerror.md) - [persistentStoreCoordinatorLocking](foundation/cocoaerror/persistentstorecoordinatorlocking.md) - [persistentStoreCoordinatorLockingError](foundation/cocoaerror/persistentstorecoordinatorlockingerror.md) - [persistentStoreIncompatibleSchema](foundation/cocoaerror/persistentstoreincompatibleschema.md) - [persistentStoreIncompatibleSchemaError](foundation/cocoaerror/persistentstoreincompatibleschemaerror.md) - [persistentStoreIncompatibleVersionHash](foundation/cocoaerror/persistentstoreincompatibleversionhash.md) - [persistentStoreIncompatibleVersionHashError](foundation/cocoaerror/persistentstoreincompatibleversionhasherror.md) - [persistentStoreIncompleteSave](foundation/cocoaerror/persistentstoreincompletesave.md) - [persistentStoreIncompleteSaveError](foundation/cocoaerror/persistentstoreincompletesaveerror.md) - [persistentStoreInvalidType](foundation/cocoaerror/persistentstoreinvalidtype.md) - [persistentStoreInvalidTypeError](foundation/cocoaerror/persistentstoreinvalidtypeerror.md) - [persistentStoreOpen](foundation/cocoaerror/persistentstoreopen.md) - [persistentStoreOpenError](foundation/cocoaerror/persistentstoreopenerror.md) - [persistentStoreOperation](foundation/cocoaerror/persistentstoreoperation.md) - [persistentStoreOperationError](foundation/cocoaerror/persistentstoreoperationerror.md) - [persistentStoreSave](foundation/cocoaerror/persistentstoresave.md) - [persistentStoreSaveConflicts](foundation/cocoaerror/persistentstoresaveconflicts-swift.type.property.md) - [persistentStoreSaveConflictsError](foundation/cocoaerror/persistentstoresaveconflictserror.md) - [persistentStoreSaveError](foundation/cocoaerror/persistentstoresaveerror.md) - [persistentStoreTimeout](foundation/cocoaerror/persistentstoretimeout.md) - [persistentStoreTimeoutError](foundation/cocoaerror/persistentstoretimeouterror.md) - [persistentStoreTypeMismatch](foundation/cocoaerror/persistentstoretypemismatch.md) - [persistentStoreTypeMismatchError](foundation/cocoaerror/persistentstoretypemismatcherror.md) - [persistentStoreUnsupportedRequestType](foundation/cocoaerror/persistentstoreunsupportedrequesttype.md) - [persistentStoreUnsupportedRequestTypeError](foundation/cocoaerror/persistentstoreunsupportedrequesttypeerror.md) - [propertyListReadCorrupt](foundation/cocoaerror/propertylistreadcorrupt.md) - [propertyListReadCorruptError](foundation/cocoaerror/propertylistreadcorrupterror.md) - [propertyListReadStream](foundation/cocoaerror/propertylistreadstream.md) - [propertyListReadStreamError](foundation/cocoaerror/propertylistreadstreamerror.md) - [propertyListReadUnknownVersion](foundation/cocoaerror/propertylistreadunknownversion.md) - [propertyListReadUnknownVersionError](foundation/cocoaerror/propertylistreadunknownversionerror.md) - [propertyListWriteInvalid](foundation/cocoaerror/propertylistwriteinvalid.md) - [propertyListWriteInvalidError](foundation/cocoaerror/propertylistwriteinvaliderror.md) - [propertyListWriteStream](foundation/cocoaerror/propertylistwritestream.md) - [propertyListWriteStreamError](foundation/cocoaerror/propertylistwritestreamerror.md) - [serviceApplicationLaunchFailed](foundation/cocoaerror/serviceapplicationlaunchfailed.md) - [serviceApplicationLaunchFailedError](foundation/cocoaerror/serviceapplicationlaunchfailederror-44r3b.md) - [serviceApplicationNotFound](foundation/cocoaerror/serviceapplicationnotfound.md) - [serviceApplicationNotFoundError](foundation/cocoaerror/serviceapplicationnotfounderror-2vdab.md) - [serviceInvalidPasteboardData](foundation/cocoaerror/serviceinvalidpasteboarddata.md) - [serviceInvalidPasteboardDataError](foundation/cocoaerror/serviceinvalidpasteboarddataerror-49mrz.md) - [serviceMalformedServiceDictionary](foundation/cocoaerror/servicemalformedservicedictionary.md) - [serviceMalformedServiceDictionaryError](foundation/cocoaerror/servicemalformedservicedictionaryerror-3wvlr.md) - [serviceMiscellaneous](foundation/cocoaerror/servicemiscellaneous.md) - [serviceMiscellaneousError](foundation/cocoaerror/servicemiscellaneouserror-18rwt.md) - [serviceRequestTimedOut](foundation/cocoaerror/servicerequesttimedout.md) - [serviceRequestTimedOutError](foundation/cocoaerror/servicerequesttimedouterror-30ucb.md) - [sharingServiceNotConfigured](foundation/cocoaerror/sharingservicenotconfigured.md) - [sharingServiceNotConfiguredError](foundation/cocoaerror/sharingservicenotconfigurederror-1xm1e.md) - [sqlite](foundation/cocoaerror/sqlite.md) - [sqliteError](foundation/cocoaerror/sqliteerror.md) - [textReadInapplicableDocumentType](foundation/cocoaerror/textreadinapplicabledocumenttype.md) - [textReadInapplicableDocumentTypeError](foundation/cocoaerror/textreadinapplicabledocumenttypeerror-5hv73.md) - [textWriteInapplicableDocumentType](foundation/cocoaerror/textwriteinapplicabledocumenttype.md) - [textWriteInapplicableDocumentTypeError](foundation/cocoaerror/textwriteinapplicabledocumenttypeerror-tfdf.md) - [ubiquitousFileNotUploadedDueToQuota](foundation/cocoaerror/ubiquitousfilenotuploadedduetoquota.md) - [ubiquitousFileNotUploadedDueToQuotaError](foundation/cocoaerror/ubiquitousfilenotuploadedduetoquotaerror.md) - [ubiquitousFileUbiquityServerNotAvailable](foundation/cocoaerror/ubiquitousfileubiquityservernotavailable.md) - [ubiquitousFileUnavailable](foundation/cocoaerror/ubiquitousfileunavailable.md) - [ubiquitousFileUnavailableError](foundation/cocoaerror/ubiquitousfileunavailableerror.md) - [userActivityConnectionUnavailable](foundation/cocoaerror/useractivityconnectionunavailable.md) - [userActivityConnectionUnavailableError](foundation/cocoaerror/useractivityconnectionunavailableerror.md) - [userActivityHandoffFailed](foundation/cocoaerror/useractivityhandofffailed.md) - [userActivityHandoffFailedError](foundation/cocoaerror/useractivityhandofffailederror.md) - [userActivityHandoffUserInfoTooLarge](foundation/cocoaerror/useractivityhandoffuserinfotoolarge.md) - [userActivityHandoffUserInfoTooLargeError](foundation/cocoaerror/useractivityhandoffuserinfotoolargeerror.md) - [userActivityRemoteApplicationTimedOut](foundation/cocoaerror/useractivityremoteapplicationtimedout.md) - [userActivityRemoteApplicationTimedOutError](foundation/cocoaerror/useractivityremoteapplicationtimedouterror.md) - [userCancelled](foundation/cocoaerror/usercancelled.md) - [userCancelledError](foundation/cocoaerror/usercancellederror.md) - [validationDateTooLate](foundation/cocoaerror/validationdatetoolate.md) - [validationDateTooLateError](foundation/cocoaerror/validationdatetoolateerror.md) - [validationDateTooSoon](foundation/cocoaerror/validationdatetoosoon.md) - [validationDateTooSoonError](foundation/cocoaerror/validationdatetoosoonerror.md) - [validationInvalidDate](foundation/cocoaerror/validationinvaliddate.md) - [validationInvalidDateError](foundation/cocoaerror/validationinvaliddateerror.md) - [validationMissingMandatoryProperty](foundation/cocoaerror/validationmissingmandatoryproperty.md) - [validationMissingMandatoryPropertyError](foundation/cocoaerror/validationmissingmandatorypropertyerror.md) - [validationMultipleErrors](foundation/cocoaerror/validationmultipleerrors.md) - [validationMultipleErrorsError](foundation/cocoaerror/validationmultipleerrorserror.md) - [validationNumberTooLarge](foundation/cocoaerror/validationnumbertoolarge.md) - [validationNumberTooLargeError](foundation/cocoaerror/validationnumbertoolargeerror.md) - [validationNumberTooSmall](foundation/cocoaerror/validationnumbertoosmall.md) - [validationNumberTooSmallError](foundation/cocoaerror/validationnumbertoosmallerror.md) - [validationRelationshipDeniedDelete](foundation/cocoaerror/validationrelationshipdenieddelete.md) - [validationRelationshipDeniedDeleteError](foundation/cocoaerror/validationrelationshipdenieddeleteerror.md) - [validationRelationshipExceedsMaximumCount](foundation/cocoaerror/validationrelationshipexceedsmaximumcount.md) - [validationRelationshipExceedsMaximumCountError](foundation/cocoaerror/validationrelationshipexceedsmaximumcounterror.md) - [validationRelationshipLacksMinimumCount](foundation/cocoaerror/validationrelationshiplacksminimumcount.md) - [validationRelationshipLacksMinimumCountError](foundation/cocoaerror/validationrelationshiplacksminimumcounterror.md) - [validationStringPatternMatching](foundation/cocoaerror/validationstringpatternmatching.md) - [validationStringPatternMatchingError](foundation/cocoaerror/validationstringpatternmatchingerror.md) - [validationStringTooLong](foundation/cocoaerror/validationstringtoolong.md) - [validationStringTooLongError](foundation/cocoaerror/validationstringtoolongerror.md) - [validationStringTooShort](foundation/cocoaerror/validationstringtooshort.md) - [validationStringTooShortError](foundation/cocoaerror/validationstringtooshorterror.md) - [xpcConnectionInterrupted](foundation/cocoaerror/xpcconnectioninterrupted.md) - [xpcConnectionInvalid](foundation/cocoaerror/xpcconnectioninvalid.md) - [xpcConnectionReplyInvalid](foundation/cocoaerror/xpcconnectionreplyinvalid.md) ### Type Methods - [error(_:userInfo:url:)](foundation/cocoaerror/error(_:userinfo:url:).md) ## Relationships ### Conforms To - [CustomNSError](foundation/customnserror.md) - [Equatable](swift/equatable.md) - [Error](swift/error.md) - [Hashable](swift/hashable.md) - [Sendable](swift/sendable.md) - [SendableMetatype](swift/sendablemetatype.md) ## See Also ### Error Codes - [MachError](foundation/macherror.md) - [POSIXError](foundation/posixerror.md) - [NSError Codes](foundation/1448136-nserror-codes.md)