Screen Prob

Hi All,

I have written program which will display the Screen in the form of dialog.

When I execute this, I will get an error

"Error when generating the selection screen "0099" of report"

Please can any one tell me what is the problem? And y I am getting this error.

pls refer below program:

SELECTION-SCREEN BEGIN OF SCREEN 99.

PARAMETERS PAR2(40) TYPE c.

SELECTION-SCREEN PUSHBUTTON 15(25) PUBU

USER-COMMAND US01.

SELECTION-SCREEN END OF SCREEN 99.

start-of-selection.

call screen 99 starting at 20 10 ending at 80 20.