docs: @Override
      public UndeliverableReturnCode handleUndeliverableMessage(
                                                                SIMPMessage msg,
                                                                int exceptionReason,
                                                                String[] exceptionInserts,
                                                                TransactionCommon tran)
                      throws
                      SIResourceException
      {
          // F001333-14610
          // Delegate down onto the new method passing a null
          // subscription ID.
          return handleUndeliverableMessage(msg, exceptionReason, exceptionInserts, tran, null);
      }