HMError.Code.notificationAlreadyEnabled An error indicating the notification is already enabled. Declarationcase notificationAlreadyEnabled See AlsoGeneral errorsHMError.Code.alreadyExistsHMError.Code.genericErrorincompatibleHomeHubHMError.Code.invalidClassHMError.Code.notFoundHMError.Code.notificationNotSupportedHMError.Code.operationNotSupportedHMError.Code.unexpectedErrorHMError.Code.missingEntitlementHMError.Code.referToUserManual