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.
It is possible that a real invoice to be created before goods issue in ECC, and this real invoice to trigger the export customs declaration in SAP GTS, instead of the proforma invoice (the standard path)? Thank you