Solution : https://service.sap.com/sap/support/notes/153734 (SAP Service marketplace login required)
Key words :
open purchase order items exist, system generates error message m8496, additional key words mr1b, items displayed due, transaction 'invoice overview', items displayed, system takes, transaction mr1b, message m8186, message m8046
Related Notes :
| 177604 | MR1B: Aggregation: Selection criteria not stored |