sales return BAPI error

Hi all,

I have been given with a task like creating function module for sales return For that i am using standard BAPI BAPI_SALESORDER_CREATEFROMDAT1 .To this BAPI i am passing all necessary inputs with doc_type as RE.When i execute this Function module ,its showing Following error

EV1                  761Unpermitted combination of business object BUS2032 and sales doc. category H

This BAPI is working for Sales order creation ,But for Sales return not working .what would be the problem?please help me out.

with regards

naresh bammidi