REP-1247: There exist uncompiled program unit(s). REP-1247: Report contains

Question

Hello,
i have the following problem when i first run this Report i have :
REP-1247: There exist uncompiled program unit(s). REP-1247: Report contains uncompiled PL/SQL.
many other reports i have having this problem pls help
Abdetu..

Answer 1

Any help pls...?
i still experience the problem..?
i found out the forulam that causes the problem as it is :
==========================================
function CF_PREVIOUS RETURN Number is
          V_MATERIAL_HEIGHT1 NUMBER(40);
          V_MAX_SERIAL NUMBER(40);
          V_MAX_DATE DATE;
BEGIN
          IF :SERIAL > 1 THEN
               BEGIN
                                   SELECT MAX(SERIAL)-1
                                   INTO V_MAX_SERIAL
                    FROM PLN_TANK_TRANSACTION
                    WHERE TRANSACTION_DATE = :TRANSACTION_DATE
                    AND TANK_CODE = :TANK_CODE
                    AND MATERIAL_CODE = :MATERIAL_CODE;
                         EXCEPTION
                    WHEN NO_DATA_FOUND THEN V_MAX_SERIAL := 0;
                         END;
                    BEGIN
                         SELECT NVL(MATERIAL_HEIGHT,0)
                         INTO V_MATERIAL_HEIGHT1
                    FROM PLN_TANK_TRANSACTION
                    WHERE PLN_TANK_TRANSACTION.TRANSACTION_DATE = :TRANSACTION_DATE
                    AND PLN_TANK_TRANSACTION.TANK_CODE = :TANK_CODE
                    AND PLN_TANK_TRANSACTION.SERIAL = V_MAX_SERIAL
                    AND PLN_TANK_TRANSACTION.MATERIAL_CODE = :MATERIAL_CODE;
               EXCEPTION
                    WHEN NO_DATA_FOUND THEN
                    V_MATERIAL_HEIGHT1 := 0;
               END;
          ELSE --IF :SERIAL =  1 THEN
                    BEGIN
                         SELECT MAX(TRANSACTION_DATE)
                         INTO V_MAX_DATE
               FROM PLN_TANK_TRANSACTION
               WHERE TRANSACTION_DATE <=:TRANSACTION_DATE
               AND TANK_CODE = :TANK_CODE
               AND MATERIAL_CODE = :MATERIAL_CODE;
                    EXCEPTION
                    WHEN NO_DATA_FOUND THEN
                    V_MAX_DATE := NULL;
                    END;
                         BEGIN
                              SELECT NVL(MATERIAL_HEIGHT,0)
                              INTO V_MATERIAL_HEIGHT1
                              FROM PLN_TANK_TRANSACTION
                              WHERE SERIAL = V_MAX_SERIAL
                              AND TRANSACTION_DATE = V_MAX_DATE
                                   AND TANK_CODE = :TANK_CODE;
                         EXCEPTION
                    WHEN NO_DATA_FOUND THEN
                    V_MATERIAL_HEIGHT1:= 0;
                         END;
     END IF;
     RETURN (V_MATERIAL_HEIGHT1);
END;
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