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.
Delivery Block is changing in order E.G: if i have different reason for block like 1)stock problem 2) Credit Limit 3) Order Incomplete etc, so if put block 1 in order it changes to block 2.