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