Solution : https://service.sap.com/sap/support/notes/50436 (SAP Service marketplace login required)
Key words :
update termination occurs indicating duprec, additional key words vbkd, separate business data, business data, sales document, main items, problems occur, press enter, billing plan, -item level
Related Notes :
| 72130 | Business data on main item and subitem |
| 61055 | Proposal of the price date in sub-items |
| 52978 | Fields of the business data are lost |
| 41885 | Business data for subitems |