Solution : https://service.sap.com/sap/support/notes/460527 (SAP Service marketplace login required)
Key words :
sales order subitems created, sales order subitems determined, update open order values, open order values, rules-based atp, attached advance correction, product selection, vbap-prosa, credit reason, program error
Related Notes :
460444 | VBAP-PROSA not filled for RBA subitems |