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 unable to trace as to why the defaukt position is not picking the cost center where for other action types it is taking but only for one particulat action type that is LTD.