Hi All ,
I am facing below issues , could anyone help me to resolve that issue ..
ERROR 1 :
while activating data preview in AttributeView
Error: SAP DBTech JDBC: [2048]: column store error: search table error: [2950] user is not authorized
ERROR 2 :
Studio is not responding while activating file ..
Many times I have restarted my studio , but no luck 
please refer the screen shot attached .
There are some threads about the same issue ,. but nothing helped ..
Regards,
Gobi.S