Hi Ramesh,
When migrating 3.x to 7.x , you have change code as like below.
3.x Code
IF COMM_STRUCTURE-FI_DOCSTAT EQ 'C'.
RESULT = COMM_STRUCTURE-CLEAR_DATE - COMM_STRUCTURE-NETDUEDATE.
ELSE.
RESULT = 0.
endif.
7.x Code
1 Right lick on field for which you want update data , result of CLEAR_DATE-NETDUEDATE in 7.x transformation
2 By clicking add(+) two fields CLEAR_DATE and NETDUEDATE
3 Select Rule type "Routine"
4 Paste below code.
IF SOURCE_FIELDS-FI_DOCSTAT EQ 'C'.
RESULT = SOURCE_FIELDS-CLEAR_DATE - SOURCE_FIELDS-NETDUEDATE.
ELSE.
RESULT = 0.
endif.
in similar way , you have to do for other objects.
Thank you,
Nanda