I had integrated reporting services working nicely, then I changed something and when I go into Manage Reporting Services Application -> System Settings this happens:
Sorry, something went wrong The server was unable to process the request due to an internal error. For more information about the error, either turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the configuration behavior) on the server in order to send the exception information back to the client, or turn on tracing as per the Microsoft .NET Framework SDK documentation and inspect the server trace logs. Technical Details
Troubleshoot issues with Microsoft SharePoint Foundation.
Correlation ID: 8f2c379c-c6fa-00dc-8176-66c8954ec13c
Date and Time: 8/9/2013 11:06:21 AM
I had all of this working, with power view running. Then I tried to create a BISM connection, and I must have changed something ,cause the wheels fell off!
I've check the log and it's not giving me a clear error, needless to say no reports or power views are working now. Any advice gratefully accepted.