ora-06504的问题，跪求各位高手解答

过程如下:
CREATE OR REPLACE TYPE RS_TYPE as object(GATENAME varchar2(50),
                       IMONTH NUMBER, 
                       ISUM NUMBER, 
                       FEE NUMBER, 
                       SUM_FEE NUMBER);
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CREATE OR REPLACE TYPE RS_TAB_TYPE as TABLE OF  RS_TYPE;
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CREATE OR REPLACE PROCEDURE SPGATE_DOWM_FLOW_MONTH(IN_Y IN NUMBER,
                                IN_MONTH IN NUMBER,
                                IN_SPISUNCM IN NUMBER,
                                IN_GATENAME IN VARCHAR2,
                                MY_TAB OUT rs_tab_type) AS
                                type rc is ref cursor;
                                MY_CURSOR rc;
    CURSOR C_1 IS
      SELECT DISTINCT IYMD
        FROM MT_DATAREPORT@SMSSVR_220_LINK.COM MT, XT_GATE_QUEUE@SMSACC_220_LINK.COM XGQ
       WHERE MT.Y = IN_Y
         AND MT.IMONTH = IN_MONTH
         AND XGQ.SPISUNCM = IN_SPISUNCM
         AND XGQ.GATENAME = IN_GATENAME
         AND MT.SPGATE = XGQ.SPGATE;--定义游标根据输入数据查询日期
    RS_RECORD_TEMP  RS_TYPE;
    ICOUNT_TEMP     NUMBER;--中间变量
    FEE_TEMP        NUMBER;
    SUM_ICOUNT_TEMP NUMBER;
    SUM_FEE_TEMP    NUMBER;
    DAY_TEMP        NUMBER;
  BEGIN
    FOR I IN 1 .. 31 LOOP
    SUM_ICOUNT_TEMP := 0;--中间变量初始化
    SUM_FEE_TEMP    := 0;
      OPEN C_1;
      LOOP
        FETCH C_1
          INTO DAY_TEMP;
        EXIT WHEN C_1%NOTFOUND;
        IF (SUBSTR(TO_CHAR(DAY_TEMP), 7, 2) = I) THEN
          SELECT SUM(ICOUNT), XGQ.FEE
            INTO ICOUNT_TEMP, FEE_TEMP
            FROM MT_DATAREPORT@SMSSVR_220_LINK.COM MT, XT_GATE_QUEUE@SMSACC_220_LINK.COM XGQ
           WHERE MT.Y = IN_Y
             AND MT.IMONTH = IN_MONTH
             AND XGQ.SPISUNCM = IN_SPISUNCM
             AND XGQ.GATENAME = IN_GATENAME
             AND MT.SPGATE = XGQ.SPGATE
           GROUP BY XGQ.FEE;--根据输入年份、月份、运营商、通道名称和发送日期查询发送总数和费率
          SUM_ICOUNT_TEMP := SUM_ICOUNT_TEMP + ICOUNT_TEMP;  
        END IF;      
      END LOOP;
      SUM_FEE_TEMP := SUM_ICOUNT_TEMP * FEE_TEMP;--计算短信发送的费用    
      CLOSE C_1;
      OPEN MY_CURSOR FOR
        SELECT IN_GATENAME     GATENAME,
               I               IMONTH,
               SUM_ICOUNT_TEMP ISUM,
               FEE_TEMP        FEE,
               SUM_FEE_TEMP    SUM_FEE
          FROM DUAL;--打开游标查询所有结果
      FETCH MY_CURSOR
        INTO RS_RECORD_TEMP;
      MY_TAB(I) := RS_RECORD_TEMP;--将结果赋值到临时表
      --DBMS_OUTPUT.PUT_LINE(i||MY_TAB(I).ISUM);
    END LOOP;
  END SPGATE_DOWM_FLOW_MONTH;
测试后报ora-06504:PL/SQL:结果集变量或查询的返回类型不匹配求各位高手解答.....