Solution : https://service.sap.com/sap/support/notes/542645 (SAP Service marketplace login required)
Key words :
change relevant data, ekko-memory reason, 'end' indicator, partner roles, partner schema, purchase order, transaction me22n, partner determination, purchasing organization, terms me22n
Related Notes :
| 459350 | FAQ: Partner determination in purchasing |
| 431351 | ME22N Change purchase order, no new partner determination |