SAP IS Data Insight Error

Hi Experts,

I am new to IS. In IS when i am trying to create a new Connection for Data Profiling it is showing error as Unexpected case empty string result.

But when i tried to create for data view it is successfully connecting.but the tables are not viewing in IS dataInsight --> Add-->tables.

Please guide me what i have to do know.

Thanks in Advance
PrasannaKumar