Call BAPI_INCOMINGINVOICE_PARK park document local amount is always zero

Hi All,

I use BAPI : BAPI_INCOMINGINVOICE_PARK to generate IV Park document, but when I execute below program

REPORT ztemp.

DATA: x_in_header LIKE bapi_incinv_create_header,
      i_in_item LIKE bapi_incinv_create_item OCCURS 0 WITH HEADER LINE,
      lc_belnr LIKE bapi_incinv_fld-inv_doc_no,
      lc_gjahr LIKE bapi_incinv_fld-fisc_year,
      i_gl_item like BAPI_INCINV_CREATE_GL_ACCOUNT OCCURS 0 WITH HEADER LINE,
      d_msg(110),
      i_return LIKE bapiret2 OCCURS 0 WITH HEADER LINE.

x_in_header-invoice_ind = 'X'.
x_in_header-pstng_date = '20100527'.
x_in_header-doc_date = '20100527'.
x_in_header-ref_doc_no = 'TESTCW201006F'.   "Reference
"x_in_header-header_txt = 'TEXTO XXX'.
x_in_header-comp_code = '1008'.
x_in_header-currency = 'JPY'.
x_in_header-gross_amount = '787500'.
x_in_header-calc_tax_ind = 'X'.
x_in_header-exch_rate = '0.28880'.
i_in_item-invoice_doc_item = '000001'.
i_in_item-po_number = '4500000147'.        "PO No
i_in_item-po_item = '00010'.
i_in_item-REF_DOC = '5000000708'.          "MM Document
i_in_item-REF_DOC_YEAR = '2010'.
i_in_item-REF_DOC_IT = '0001'.
"i_in_item-DE_CRE_IND = 'H'.
i_in_item-tax_code = '11'.
i_in_item-item_amount = '750000'.
i_in_item-quantity = '15'.
i_in_item-po_unit = 'EA'.
APPEND i_in_item.
CLEAR i_in_item.
i_gl_item-invoice_doc_item = '000001'.
i_gl_item-gl_account = '0051541001'.
i_Gl_item-bus_area = '1000'.
i_Gl_item-DB_CR_IND = 'H'.
i_Gl_item-COMP_CODE = '1008'.
APPEND i_gl_item.
CLEAR i_gl_item.

CALL FUNCTION 'BAPI_INCOMINGINVOICE_PARK'
EXPORTING
headerdata = x_in_header
IMPORTING
invoicedocnumber = lc_belnr
fiscalyear = lc_gjahr
TABLES
itemdata = i_in_item
glaccountdata = i_gl_item
return = i_return.

CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
EXPORTING
wait = 'X'.

When I use me23n to display PO History, the Park document display local amount is zero.

http://farm5.static.flickr.com/4007/4645799139_876ebd034b_o.jpg

But when I use MIR7 re-park this document, the Park document has local amount.

http://farm5.static.flickr.com/4008/4645799209_5c20354743_o.jpg

How should I change my code to make the park document can display local amount data?

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another question is what value should I input to i_in_item-sheet_no & sheet_item?

Are these two field required?

Best regards,

Eric