I created a select option in a subscreen area (9000) of a dialog box(0200) of module pool and I write a logic as
IN PBO of 200 I called subsreen 9000 and in main program
SELECTION-SCREEN BEGIN OF SCREEN 9000 as SUBSCREEN .
SELECT-OPTIONS : zitem for EKPO-EBELP.
SELECTION-SCREEN END OF SCREEN 9000.But I am getting an error as ''Error when generating selection screen "9000" of report "SAPLXM06''
How to solve this error /How to create the select options on dialog box?