pricing problem while creating sales order doc

Hi friends,

My requirement is to create sales order with ref to contract i am using 'BAPI_SALESORDER_CREATEFROMDAT2' , and I am extracting data from konv table to get price through condition record , but i am getting 4 messages

(S) SALES_HEADER_IN has been processed successfully

(E) Condition PR00 is not allowed as header condition

(W) The sales document is not yet complete: Edit data

(E) Sales document was not changed

and i am not getting pricing for created sales order document.

please help.

regards,

Sravani.