I have some problem with function module BAPI_OPPORTUNITY_CHANGEMULTI.
The requirement is that i want to chnage the partner number assignment ( Sales representative ) in opportunity.
I am passing the header information and new sales rep information with input fields: ( All the information in the table parameters).
Once the check the return table and i can see the message that data could not be SAVED.
If any body have any idea, please reply back on mail: