Number ranges

The number ranges  can be maintained by using TCODE  SNRO  where the number ranges can be set or edited after creating the object say 'NR2'.

DATA:   QTY TYPE INRI-QUANTITY,
          RC TYPE INRI-RETURNCODE,
          NBR(10) TYPE C.


  CALL FUNCTION 'NUMBER_GET_NEXT'
    EXPORTING
      NR_RANGE_NR             = '01'
      OBJECT                  = 'NR2'
*      QUANTITY                = '1'
      SUBOBJECT               = '4000'
     TOYEAR                  = '2013'
*     IGNORE_BUFFER           = ' '
    IMPORTING
      NUMBER                  = NBR
      QUANTITY                = QTY
      RETURNCODE              = RC
    EXCEPTIONS
      INTERVAL_NOT_FOUND      = 1
      NUMBER_RANGE_NOT_INTERN = 2
      OBJECT_NOT_FOUND        = 3
      QUANTITY_IS_0           = 4
      QUANTITY_IS_NOT_1       = 5
      INTERVAL_OVERFLOW       = 6
      BUFFER_OVERFLOW         = 7
      OTHERS                  = 8.

  IF SY-SUBRC <> 0.
    TMPI = SY-SUBRC.
    MESSAGE TMPI TYPE 'S'.
    "MESSAGE 'TRIP NUMBER EXHAUSTED. PLEASE MAINTAIN' TYPE 'I'.
    LEAVE PROGRAM.
  ENDIF.
WRITE:/ NBR.