Runtime error when updating service item with BAPI PO CHANGE

Question

Hi,
I get rutime error TABLE_INVALID_INDEX after calls:
BAPI_PO_CHANGE-> PROCESS_NON_INTEGRATED_COMP-> CHANGE_PO_SRV_ITEM -> MS_CHANGE_SERVICE_PACKAGE_PO -> ROW_IN_PO -> CHECK_ACC_PO -> MS_CHANGE_ACCASS_PO -> ESKL_UPDATE.
the reason is, that ESKL internal table is empty, so the function retrieves last entry index, there is no entry , so  sy-tabix = 0 , and function updates with index 0, which causes the runtime error. I dont know why it is empty, maybe I should copy this table gt_srvaccess from BAPI_PO_GETDETAIL  to BAPI_PO_CHANGE.
This error appears only in mode KNTIMOD=2 (Multikontierung), not in KNTIMOD=1(Einfachkontierung), so just when ESKL contains more lines for one PACKAGE_NUMBER.
I am just updating the value ordered to be equal value delivered to close the PO, or delete the item in case ordered >0 and deliveded = 0.
Here is my part of code:
*close existing PO's by changing the value ordered to the value receipted
            move 'X' to w_change_flag.
            w_hdrx-po_number = 'X'.
            if w_total-val_gr_for is not initial.
              w_itemx-delete_ind = 'X'.
              append w_itemx to gt_itemx.
              clear: w_itemx.
              read table gt_services into w_service2 with key pckg_no = w_item-pckg_no.
              if sy-subrc eq 0.                                                                               
read table gt_services into w_service with key pckg_no = w_service2-subpckg_no.
                if sy-subrc eq 0.                                                                               
move: w_total-val_gr_for to w_service-quantity,
                        '1'                to w_service-gr_price.
                  modify gt_services index sy-tabix from w_service transporting quantity gr_price.
                endif.
              endif.
            else. "nothing delivered yet, set deletion flag
              w_itemx-po_item = w_item-po_item.
              w_itemx-delete_ind = 'X'.
              append w_itemx to gt_itemx.
              clear: w_itemx.
              w_item-delete_ind = 'L'.
              modify gt_item index w_count from w_item transporting delete_ind.
            endif.
    call function 'BAPI_PO_CHANGE'
      exporting
        purchaseorder = w_ekko-ebeln
        poheader      = w_header
        poheaderx     = w_hdrx
        testrun       = w_testrun_flag
        no_messaging  = 'X'
      importing
        expheader     = w_exphdr
      tables
        return        = gt_return1
        poitem        = gt_item
        poitemx       = gt_itemx
        poservices    = gt_services.
Thanks, please help.
regards Rob
Edited by: xsmid4 on Nov 2, 2011 11:49 AM
Edited by: xsmid4 on Nov 2, 2011 12:08 PM

Answer 1

Hi,
Take a look at OSS Note 827731. It might be helpful to you.
[ Link for Note 827731|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=827731]
Regards,
koolspy.