PO pegging to SO demand ahead of WO demand even though SO demand later than WO demand

Summary:

PO pegging to SO demand(past due) ahead of WO demand(past due) even though SO demand later than WO demand

Content (required):

Plan Run Date = 18-Oct-22.

We have POs,SOs and Work Order Demands for a certain part#18181060-001 

The part has POs 404542,404661 ,402417 (and more ) due on 17-Feb-22(past due) ,21-Feb-22(past due) and 03-Nov-22 respectively.

The part has SO demands : SO 421609,422148,422467 due on 25-Jun-22(past due),30-Aug-22(past due) and 9-Sep-22(past due) respectively,

The part has WO demands due on 11-Jul-22(past due) and 26-Jul-22(past due) and the plan is using a later PO 402417 due on 3-Nov-22 to meet these demands.