sap script

Hi guys,

I am unable to display the data in report.

DATA : ITAB LIKE MARA OCCURS 0 WITH HEADER LINE.

SELECT * FROM MARA INTO TABLE ITAB.

CALL FUNCTION 'OPEN_FORM'

EXPORTING

FORM = 'ZRAJ'

LANGUAGE = SY-LANGU

LOOP AT ITAB.

CALL FUNCTION 'WRITE_FORM'

EXPORTING

ELEMENT = 'MM'

WINDOW = 'MAIN'

In SAP SCRIPT

IN CHANGE EDITOR

/E MM

/= &ITAB-MATNR&,&ITAB-ERNAM&,&ITAB-ERSDA&