Alv Ausgabe funktioniert nicht

Code: Alles auswählen.

REPORT  ztest02 NO STANDARD PAGE HEADING LINE-SIZE 90.

TYPE-POOLS: slis.

TYPES: BEGIN OF ty_t001,
          mandt TYPE t001-mandt,
          bukrs TYPE t001-bukrs,
          butxt TYPE t001-butxt,
          ort01 TYPE t001-ort01,
          land1 TYPE t001-land1,
          waers TYPE t001-waers,
          stceg TYPE t001-stceg,
       END OF ty_t001.

DATA: it_t001 TYPE TABLE OF ty_t001,
      rep TYPE sy-repid.
*  Feldkatalog für ALV
DATA: it_fcat TYPE slis_t_fieldcat_alv,
      wa_fcat LIKE LINE OF it_fcat.

PARAMETERS: repid TYPE sy-repid.

START-OF-SELECTION.
  rep = sy-repid.

  SELECT mandt bukrs butxt ort01 land1 waers stceg FROM t001
    INTO TABLE it_t001.

*  Feldkatalog aufbauen
  wa_fcat-fieldname = 'mandt'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-key = 'X'.
  wa_fcat-hotspot = 'X'.
  wa_fcat-text_fieldname = 'Mandant'.
  APPEND wa_fcat TO it_fcat.
  CLEAR wa_fcat.
  wa_fcat-fieldname = 'bukrs'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-key = 'X'.
  wa_fcat-hotspot = 'X'.
  wa_fcat-text_fieldname = 'Bu.Kreis'.
  APPEND wa_fcat TO it_fcat.
  wa_fcat-fieldname = 'butxt'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-text_fieldname = 'Bezeichung'.
  APPEND wa_fcat TO it_fcat.
  wa_fcat-fieldname = 'ort01'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-text_fieldname = 'Ort'.
  APPEND wa_fcat TO it_fcat.
  wa_fcat-fieldname = 'land1'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-text_fieldname = 'Land'.
  APPEND wa_fcat TO it_fcat.
  wa_fcat-fieldname = 'waers'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-text_fieldname = 'Währung'.
  APPEND wa_fcat TO it_fcat.
  wa_fcat-fieldname = 'stceg'.
  wa_fcat-tabname = 'T001'.
  wa_fcat-text_fieldname = 'UID'.
  APPEND wa_fcat TO it_fcat.

  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
   EXPORTING
     i_callback_program         = rep
     it_fieldcat                       = it_fcat
     i_save                           = 'A'
    TABLES
      t_outtab                        = it_t001.