write statement - not work

Hi,

I want to write somthing to the screen but when i execute the program nothing happen i'm sure that it's very simple and i missing here someting.

plz advice on this issue...

the code go like that:

AT SELECTION-SCREEN.
  IF sscrfields-ucomm = 'FC01'.
     WRITE / 'test'.


*    PERFORM getdata.
*    PERFORM checklog.
  ENDIF.