PKIdentityError.Code.unknown An error that indicates an unknown error. Declarationcase unknown See AlsoError codesPKIdentityError.Code.cancelledPKIdentityError.Code.invalidElementPKIdentityError.Code.invalidNoncePKIdentityError.Code.notSupportedPKIdentityError.Code.networkUnavailablePKIdentityError.Code.noElementsRequestedPKIdentityError.Code.requestAlreadyInProgress