요렇게 다 해줬는데 그림처럼 버튼이 비활성화 & 다 사라졌어요.

어디로 간걸까요??? ㅠㅠㅠㅠ

  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      I_CALLBACK_PROGRAM      = L_REPID
      I_CALLBACK_PF_STATUS_SET = GC_STATUS
      I_CALLBACK_USER_COMMAND = G_USER_COMMAND
      I_STRUCTURE_NAME        = 'ITAB_DATA'
      IS_LAYOUT               = LS_LAYOUT
      IT_FIELDCAT             = LT_FIELDCAT           "x_fieldcat
      IT_SORT                 = LT_SORT
      IT_FILTER               = LT_FILTER
      I_SAVE                  = 'A'
      IS_VARIANT              = LS_VARIANT
    TABLES
      T_OUTTAB                = ITAB_DATA
    EXCEPTIONS
      PROGRAM_ERROR           = 1
      OTHERS                  = 2.

*&---------------------------------------------------------------------*
*&      Form  PF_STATUS_SET
*&---------------------------------------------------------------------*
FORM PF_STATUS_SET  USING PT_EXTAB TYPE SLIS_T_EXTAB.
  DATA : LS_EXTAB TYPE SLIS_EXTAB.

  SET PF-STATUS 'STANDARD'  EXCLUDING PT_EXTAB[].

ENDFORM.                    " PF_STATUS_SET

*&---------------------------------------------------------------------*
*&      Form  USER_COMMAND
*&---------------------------------------------------------------------*
FORM USER_COMMAND  USING  P_UCOMM    LIKE SY-UCOMM
                          P_SELFIELD TYPE SLIS_SELFIELD.

  P_SELFIELD-REFRESH      = 'X'.
  P_SELFIELD-COL_STABLE   = 'X'.
  P_SELFIELD-ROW_STABLE   = 'X'.
  P_SELFIELD-IGNORE_MULTI = 'X'.

  G_UCOMM = P_UCOMM.

  CASE G_UCOMM.
    WHEN 'CRET'.

...