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.
If the data from R/3 doesn't contain trading partner information, is there anyway to populate this trading partner info in BCS without having to reverse the document from R/3 and perform loading from data stream again?