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 created a new client-400 , in that when i trying to open BP transaction it will display an abbend message Application object BUPA does not exist what to do can any body please telme.