Auto PO in ME59N

Hi Friends,

Is it possible to generate Auto PO without maintaining price in the inforecord ?( Plant specific data is not maintained in the inforecord).

Instead i have rate contract with that vendor and price is maintained in contract,i have assigned this contract as a source of supply in PR.But when i am trying to create Auto PO in ME59N i am getting an error like Net Price must be greater than zero.

To generate Auto PO is it mandatory to maintain the price in Inforecord ? OR Is it possible to fetch from rate contract ?

pls give your inputs

Reward points are sure,

Regds