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.
please could you let me know whether e-commerce is the standard funtionality of sap business one or is it an add-on.If it is standard funtionality, could you tell how to enable that functionality ?