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.
In the module PS, project management, I know the list of eOTP ( table - PRPS , field PSPNR ) managed by cj20n transaction, how is possible to have a list of purchase order for each EOTP ??? There's a BAPI to have this list ??