When you did a fresh Mediaportal 1.5 Installation or restore the default music views you can see this problem. When you open Mediaportal and go to the Rating View you see only six zero. You can see the result in th attached Screenshot.
I have reported this bug already Oct, 23, 2011 This is two years ago. Why does ist take so long until a reported bug is congfirmed?
When there is no answer by the MP team than it is frustrating to report bugs anf makes no sense. :-(