Solution : https://service.sap.com/sap/support/notes/523569 (SAP Service marketplace login required)
Key words :
product substitutionrules-based reason, source code corrections provided, rules-based availability check, 'parameter check' tab, symptom backorder processing, rule evaluation', normal items, updated incorrectly, sales order, terms sourcing
Related Notes :
| 375193 | Backorder processing: Composite SAP note on posting |