Currently SAP has long been prioritizing new enterprise and R&D about keeping the on-premise remedies now in use by clients such as you. In SAP R/3 the enhance on these release levels basically requires importing the Plug In for BW. Resulting from the constraints as stated on BW Launch 2.1C, https://sap-inventory-management72592.blogitright.com/36197348/sap-ewm-an-overview