Ошибка с кодом 1000

private void ProcessReply(Transaction originMessage, IMessageWrapper reply)
		{
			var replyTransaction = new Transaction(originMessage, reply);
			AddTransaction(replyTransaction);

			PlazaException errorInfo;

			if (replyTransaction.GetCategory() == TransactionFactory.MessagesCategory)
			{
				var code = replyTransaction.GetReplyCode();
				errorInfo = code == 0 ? null : new PlazaException(code, replyTransaction.GetMessage());
			}
			else
				errorInfo = new PlazaException(replyTransaction.GetErrorCode(), "Неизвестная ошибка.");

			replyTransaction.ErrorInfo = errorInfo;

			ProcessResponse.SafeInvoke(replyTransaction);
		}