There are several SAP notes about the termination issue. Have you searched? https://launchpad.support.sap.com/#/solutions/notes/?q=%252522error%252522%252520%252522design%252520studio%252522%25252…
If they do not relate to your issue, I recommend creating a SAP incident with SAP Support - see Supplying SAP with a Log and a Log ID - Business Intelligence (BusinessObjects) - SCN Wiki