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 a newer of smartform. Now I face a problem, I want to do total sum at the bottom of main table without showed at each page. But I tried many method and it is not ok.