OleDbCommand 를 사용하는데 다음 같은 에러가 발생합니다. 3번째

* 이런 형태로 프로시져를 호출을 하여도 같은 에러가 나네요..
* 해결할 수 있는 방법이 없을까요?

public String DBProcedure(WizhomData data, String commandSTR)
        {
            String resultSTR = null;
            String dataSet = "resultset";
            String fill = "row";

            WizhomData contentData = data.GetWizhomData("content");
            WizhomData sqlData = contentData.GetWizhomData("sql");

            OleDbConnection conn = (OleDbConnection)Connect();
            OleDbDataAdapter adapter = new OleDbDataAdapter();

            String sql = "select sp_ins_member_info('20081210091616890', '고상주', '1111112222222', '02-111-1111', '010-111-1111', '', '', 'sangju', '111') aaa from DB_CLASS where rownum = 1";//DBConfig.getInstance().Get(sqlData.GetText("id"));

            ArrayList paramAL = sqlData.GetWizhomDataList("param");
            try
            {
                OleDbCommand command = conn.CreateCommand();
                command.CommandText = sql;
                command.CommandType = CommandType.StoredProcedure;

                /*
                if (paramAL != null)
                {
                    for (int i = 0; i < paramAL.Count; i++)
                    {
                        WizhomData paramData = (WizhomData)paramAL[i];
                        String type = paramData.GetText("type").ToLower();
                        String column = StringUtil.nullString(paramData.GetText("column"));
                        String value = paramData.GetText("value");
                        command.Parameters.Add(column, DbType(type)).Value = value;
                    }
                }
                */

                Logger.log.Debug("======== call ExecuteNonQuery ===========");

                conn.Open();
                command.ExecuteNonQuery();

                StringBuilder sb = new StringBuilder();
                sb.Append("<record>1</record>");

                resultSTR = (DBData.ResultData(data.GetWizhomData("head"), "0", sb.ToString())).GetString();
               

            }
            catch (Exception e)
            {
                Logger.log.Error("* DB Procedure Select Error : " + e.GetBaseException());

                StringBuilder sb = new StringBuilder();
                sb.Append("<exception>").Append(CommonConfig.getInstance().GetText("message", "error", "dbprocedure")).Append("</exception>");

                resultSTR = (DBData.ResultData(data.GetWizhomData("head"), "1", sb.ToString())).GetString();
            }
            finally
            {
                Close(conn, adapter);
            }

            return resultSTR;
        }