If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
Can someone tell me how can create a Purchase Order based on Purchase Requisition in transaction ME21N. In ME21 it is all right but in ME21N where is the option?