doubt

hello sir,

i am getting error when i am activating the program

"Error when generating the selection screen" in module pool program.

the program is like this:

SELECTION-SCREEN BEGIN OF SCREEN 110 AS SUBSCREEN.

*SELECTION-SCREEN BEGIN OF LINE.

• SELECTION-SCREEN COMMENT 1(6) TEXT-002 FOR FIELD P_STATUS.

• PARAMETERS: P_STATUS(18) TYPE C." ZMATMAS-STATUS.

• SELECTION-SCREEN COMMENT 24(8) TEXT-003 FOR FIELD S_MATNR.

• SELECT-OPTIONS: S_MATNR FOR ZMAT-MATNR NO-EXTENSION.

• SELECTION-SCREEN END OF LINE.

*

• SELECTION-SCREEN END OF SCREEN 110