Unable to cast object of type 'System.Web.Security.RolePrinc

If you are getting the following error:

System Alert

The server has encountered an error.

Unable to cast object of type 'System.Web.Security.RolePrincipal' to type 'System.Security.Principal.WindowsPrincipal'.

Then please add the following (in blue) in Analyzer's web.config file (\Program Files\Analyzer\web\web.config)

.
<authentication mode="Windows" />
<roleManager enabled="false" />
<authorization>
.