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 am trying to create the number ranges for CO document with tcode KANK, but unfortunately not able fine the 'Maintain Groups button' as well as 'Group' menu in menu bar.