DECLARE
INCUID VARCHAR2(200);
ININSERTFLAG NUMBER;
RETVAL NUMBER;
INFINCL_TITL VARCHAR2(200);
INFINCL_TYPE_CD VARCHAR2(200);
INFINCL_TYPE_ID NUMBER;
INFINCL_CD VARCHAR2(200);
INFINCL_DESC VARCHAR2(200);
INFINCL_EFF_DT DATE;
INFINCL_END_DT DATE;
INFINCL_PAR_ID NUMBER;
INFINCL_RLTD_EFF_DT DATE;
INFINCL_RLTD_END_DT DATE;
INFINCL_ID NUMBER;
CFLAG NUMBER;

BEGIN
INCUID := 'ai7630';
ININSERTFLAG := 1;
RETVAL := NULL;
INFINCL_TITL := 'asdfasdfasd';
INFINCL_TYPE_CD := 'asdfasdfasd';
INFINCL_TYPE_ID := 14;
INFINCL_CD := 'adfasdfasd';
INFINCL_DESC := 'adfasdfasddfas';
INFINCL_EFF_DT := 1/Jan/00;
INFINCL_END_DT := 12/Dec/99;
INFINCL_PAR_ID := NULL;
INFINCL_RLTD_EFF_DT := NULL;
INFINCL_RLTD_END_DT := NULL;
INFINCL_ID := 1026;
CFLAG := 0;

DED.ADDCOST ( INCUID, ININSERTFLAG, RETVAL, INFINCL_TITL, INFINCL_TYPE_CD, INFINCL_TYPE_ID, INFINCL_CD, INFINCL_DESC, INFINCL_EFF_DT, INFINCL_END_DT, INFINCL_PAR_ID, INFINCL_RLTD_EFF_DT, INFINCL_RLTD_END_DT, INFINCL_ID, CFLAG );
COMMIT;
END;


ORA-06550: line 27, column 21:
PLS-00382: expression is of wrong type
ORA-06550: line 27, column 3:
PL/SQL: Statement ignored
ORA-06550: line 28, column 21:
PLS-00382: expression is of wrong type
ORA-06550: line 28, column 3:
PL/SQL: Statement ignored

Please put ' ' (quote) in assigned date.

1 DECLARE
2 INCUID VARCHAR2(200);
3 ININSERTFLAG NUMBER;
4 RETVAL NUMBER;
5 INFINCL_TITL VARCHAR2(200);
6 INFINCL_TYPE_CD VARCHAR2(200);
7 INFINCL_TYPE_ID NUMBER;
8 INFINCL_CD VARCHAR2(200);
9 INFINCL_DESC VARCHAR2(200);
10 INFINCL_EFF_DT DATE;
11 INFINCL_END_DT DATE;
12 INFINCL_PAR_ID NUMBER;
13 INFINCL_RLTD_EFF_DT DATE;
14 INFINCL_RLTD_END_DT DATE;
15 INFINCL_ID NUMBER;
16 CFLAG NUMBER;
17 BEGIN
18 INCUID := 'ai7630';
19 ININSERTFLAG := 1;
20 RETVAL := NULL;
21 INFINCL_TITL := 'asdfasdfasd';
22 INFINCL_TYPE_CD := 'asdfasdfasd';
23 INFINCL_TYPE_ID :=14;
24 INFINCL_CD := 'adfasdfasd';
25 INFINCL_DESC := 'adfasdfasddfas';
26 INFINCL_EFF_DT := '1/Jan/00';
27 INFINCL_END_DT := '12/Dec/99';
28 INFINCL_PAR_ID := NULL;
29 INFINCL_RLTD_EFF_DT := NULL;
30 INFINCL_RLTD_END_DT := NULL;
31 INFINCL_ID := 1026;
32 CFLAG := 0;
33 --DED.ADDCOST ( INCUID, ININSERTFLAG, RETVAL, INFINCL_TITL, INFINCL_TYPE_CD, INFINCL_TYPE_ID, INFINCL_CD, INFINCL_DESC, INFINCL_EFF_DT, INFINCL_END_DT, INFINCL_PAR_ID, INFINCL_RLTD_EFF_DT, INFINCL_RLTD_END_DT, INFINCL_ID, CFLAG );
34 COMMIT;
35* END;
SQL> /

PL/SQL procedure successfully completed.

SQL>

thankxs aryan
it did help me a lot