에러 없이 엑티베이터가 되는데 실행하니 아래의 에러메시지가 나옵니다. 

"

Incorrect sign "O" for selection "SO_CAR" "

무엇이 문제이고 해결방법 알려주세요./

REPORT  z_selectionscreen.

INCLUDE z_bc405_fol_ltop.

*&------------------------------------------------
*& TOP-OF-PAGE.
*&------------------------------------------------


TOP-OF-PAGE.

  FORMAT COLOR COL_TOTAL INTENSIFIED ON.

  ULINE.

  WRITE: / sy-vline,
         'Flight data'(001),
          AT line_size sy-vline.

  ULINE.

  FORMAT COLOR COL_TOTAL INTENSIFIED OFF.

  WRITE: sy-vline, AT pos_cl 'Flight'(002).

  SET LEFT SCROLL-BOUNDARY.

  WRITE: 'Date'(003),
         'Departure location'(004),
         'Arrival location'(005),
         'Price'(006),
         AT line_size sy-vline.

  ULINE.


*&------------------------------------------------
*& INITIALIZATION.
*&-------------------------------------------------

INITIALIZATION.

  MOVE: 'AA' TO so_car-low,
  'OF' TO so_car-high,
  'BT' TO so_car-option,
  'OF' TO so_car-sign.
  APPEND so_car.

  CLEAR so_car.

  MOVE: 'AZ' TO so_car-low,
  'EQ' TO so_car-option,
  'E' TO so_car-sign.
  APPEND so_car.

  CLEAR so_car.


*&------------------------------------------------
*& AT SELECTION-SCREEN ON BLOCK PARAM
*&-------------------------------------------------

AT SELECTION-SCREEN ON BLOCK param.

  CHECK national = 'X' AND country = space.
  MESSAGE e003(bc405).


*&------------------------------------------------
*& START-OF-SELECTION.
*&-------------------------------------------------

START-OF-SELECTION.

  CASE mark.
    WHEN all.

      SELECT * FROM spfli INTO TABLE it_flights
        WHERE carrid IN so_car
        AND connid IN so_con.

      SELECT * FROM spfli INTO TABLE it_flights
        WHERE carrid IN so_car
        AND connid IN so_con
        AND countryto = spfli~countryfr
        AND countryto = country.

      SELECT * FROM spfli INTO TABLE it_flights
        WHERE carrid IN so_car
        AND connid IN so_con
        AND countryto <> spfli~countryfr.

  ENDCASE.


*&------------------------------------------------
*& end-of-SELECTION.
*&-------------------------------------------------

END-OF-SELECTION.

  SORT it_flights BY carrid connid.

  PERFORM data_output.

*&---------------------------------------------------------------------*
*&      Form  data_output
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM data_output.

  LOOP AT it_flights INTO wa_flights.

    ON CHANGE OF wa_flights-connid.

      NEW-PAGE.

    ENDON.

    FORMAT COLOR COL_KEY INTENSIFIED ON.

    IF wa_flights-countryfr EQ wa_flights-countryto.

      WRITE: / sy-vline, icon_biw_report AS ICON CENTERED.

    ELSE.

      WRITE: / sy-vline, icon_bw_gis AS ICON CENTERED.

    ENDIF.

    WRITE: wa_flights-carrid,
           wa_flights-connid.

    FORMAT COLOR COL_NORMAL INTENSIFIED OFF.

    WRITE: wa_flights-cityfrom,
           wa_flights-cityto,
           AT line_size sy-vline.

  ENDLOOP.


ENDFORM.                    " data_output

==================================================================================================

 

*&---------------------------------------------------------------------*
*&  Include           Z_BC405_FOL_LTOP
*&---------------------------------------------------------------------*

INCLUDE <icon>.

CONSTANTS: pos_cl TYPE i VALUE 6,
           line_size TYPE i VALUE 100.

CONSTANTS mark VALUE 'X'.

DATA: it_flights LIKE TABLE OF spfli,
      wa_flights LIKE spfli.


SELECTION-SCREEN BEGIN OF BLOCK conn WITH FRAME TITLE text-002.

SELECT-OPTIONS: so_car FOR wa_flights-carrid,
                so_con FOR wa_flights-connid.

SELECTION-SCREEN END OF BLOCK conn.


SELECTION-SCREEN BEGIN OF BLOCK param WITH FRAME TITLE text-003.

SELECTION-SCREEN BEGIN OF BLOCK radio WITH FRAME.

PARAMETERS: all RADIOBUTTON GROUP rbg1,
            national RADIOBUTTON GROUP rbg1,
            internat RADIOBUTTON GROUP rbg1 DEFAULT 'X'.

SELECTION-SCREEN END OF BLOCK radio.

PARAMETERS country LIKE wa_flights-countryfr.

SELECTION-SCREEN END OF BLOCK param.