Design Studion 1.6 release - failed to initilialize Query panel for single universe (.UNX) error

Hello,

1. I tried accessing Single universe(.UNX) file with Design studio1.6 release and BO4.1 SP6 Patch 4, I getting error as " Failed to initialize query panel " . where as I can access BW BEx queries without any error.
2. login as BI platform server (SAP BO4.1 SP6 Patch 4)under Tools --> Preferences - Preferred Startup mode As SAP Business objects BI platform
3. Here I have attached error message

Anyone Can you please help me with this error how to fix in Design Studio1.6 release.

I reviewed with SAP Note(1948311) for Design studio1.2

Thanks in Advance