SAPDMC/SAP_LSMW_INTERFACE,LSMW

Hi All,

I need to run LSMW in backgorund to update profit center in sales order.I looked in forums and found program SAPDMC/SAP_LSMW_INTERFACE in se38. I have given required parametrs and when executed records were read and written. when i checked the salesorder the items were not updated. Please help.

LSMW works fine wheni i run normally since i have a huge data wanted to run in background.I am using bapi,Bapi_salesorder_change.

Thanks,