I am Facing Issue in ALV Field Catalog Merge FM

In ECC

CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
    EXPORTING
      i_program_name         = v_repid
      i_internal_tabname     = 'GT_OUTDATA'
      i_inclname             = v_repid
    CHANGING
      ct_fieldcat            = v_fieldcat[]
    EXCEPTIONS
      inconsistent_interface = 1
      program_error          = 2
      OTHERS                 = 3.

In Ecc one americium Getting the Field CatLog Value's wherever one americium Passing the GT_outdata arsenic the interior array for getting Column sanction successful v_fieldcat interior table.

Same Process one americium doing successful S4 But I americium not Getting the values successful V_fieldcat....

In S4

Any Suggestion???