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 do not know why sometimes the last "BAR" of my chart dessapear! It is very stranger because it is possible to see (with the mouse pointer) that the information is there.
