Solution : https://service.sap.com/sap/support/notes/373044 (SAP Service marketplace login required)
Key words :
additional key words ke27, original line item remain, delta line item, function module documentation, valuation exit exit_saplkeab_001, valuation exit, periodic valuation, valuation strategy, system initializes, system assigns
Related Notes :
| 631881 | KE27: Initial value fields in user exit |