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.
I run a BDC program to create a customer number using call transaction. Everything works fine except for HSNM(House Number) when seen in XD02 does not get updated.