so sollte es aber funktionieren, wenn nicht poste mal den ganzen Aufruf von 'REUSE_ALV_GRID_DISPLAY'.
*--> Constants
CONSTANTS: c_status TYPE slis_formname VALUE 'PF_STATUS_SET',
c_user_command TYPE slis_formname VALUE 'USER_COMMAND'.
is_layout-f2code = 'DISPLAY'.
is_layout-zebra = 'X'.
is_layout-window_titlebar ='Freitext'.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
i_callback_program = g_repid
i_callback_pf_status_set = c_status
i_callback_user_command = c_user_command
is_layout = is_layout
it_fieldcat = rt_fieldcat[]
TABLES
t_outtab = gi_data
EXCEPTIONS
program_error = 1
OTHERS = 2.