TelephonyMessagingSession.Error An enumeration of errors that can result from operations on a messaging session. Declarationenum Error TopicsInspecting errorsTelephonyMessagingSession.Error.invalidSessionTelephonyMessagingSession.Error.serviceUnavailableTelephonyMessagingSession.Error.invalidArgumentTelephonyMessagingSession.Error.internalError RelationshipsConforms ToCopyableDecodableEncodableEquatableErrorEscapableHashableLocalizedErrorSendableSendableMetatype