Solution : https://service.sap.com/sap/support/notes/435896 (SAP Service marketplace login required)
Key words :
insert export parameter e_must_update type xfeld, additional key words rmniwe00, physical inventory price fields, set parameter e_must_update, inventory price field, user exit exit_saplniw0_003, user-defined criteria, function module exit_saplniw0_003, function module my_market_price_modify, comparison price
Related Notes :
436323 | MRNx user exits inactive after import of support packages |
374855 | MRN0 User exits for market prices (continued) |
179615 | Enhancements (user exits) for balance sheet valuation |