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.
Is there any BADI for increase the XBLNR -Ref. doucment number field length. As SAP standard XBLNR field length is 16 nw as per user requirement field lenght has to increase 25. Is it possible through BADI?