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.
t-code OB28. I found a lot of validation. some of validation was set in a add-on program. i don't know where to set the add-on program and validation connection.???