problem on updating item data reason for rejection on BAPI_SALESORDER_CHANGE

Hi Experts,

I am trying to create a report to update sales order item data reason for rejection  by using BAPI_SALESORDER_CHANGE  but i am testing this BAPI in se37 

i am passing  : Sales document no : XXXXXXX

                       Order_Header_inx  : U

                       Order_item_in       : item no : 010 ,

                                                      reason for rejection : 02

                        Order_item_inX       : item no : 010 ,

                                                       update  : U

                                                     reason for rejection : X

i got some Erroer   Messages :

S       V4                   233 ORDER_HEADER_IN has been processed successfully

E       V1                   366 Storage location 0004 in plant 0920 is not defined

E      V4                   248 Error in ITEM_IN 000010

W     V1                   555 The sales document is not yet complete: Edit data

E      V4                   219 Sales document 0060003706 was not changed

Request your suggestions to avoid this error.

Thanks

Santhi