"An error occurred within the report server database. This may be due to a connection failure, timeout or low disk condition within the database. (rsReportServerDatabaseError) Get Online Help
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding"
We get this issue from the users asking, we are unable to open the report history with attaching some links.
i just update the stats and rebuild the indexes on the table and that works. But, what might be the root cause of this to get the Timeout error.