Solution : https://service.sap.com/sap/support/notes/586672 (SAP Service marketplace login required)
Key words :
'automatic rounding' flag, field no_rounding exists, purchase order quantity, purchase order, no_rounding flag, no_rounding reason, mrp workbench, terms wwp1, online planning, solution implement
Related Notes :
552189 | BAPI_PO_CREATE1: Technical fields available |