Solution : https://service.sap.com/sap/support/notes/376282 (SAP Service marketplace login required)
Key words :
additional key words omf1, maintain solely future conditions, field selection keys me11, field selection group 'conditions', valid net price exists, valid net price, required entry field, purchasing info record, valid price, transaction omf1
Related Notes :
| 309236 | ME31 Canceling on the condition screen |