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 creating evdre report in BPC 7.5, I have category and Account in column whereas material in rows. When I am trying to expand this report it gives me an error ColKeyRange<>ColExpandOptions.