If you are seeing the database login box similar to below:

This issue can sometimes be resolved by rebooting your computer, so please do this first.

If that has not resolved the issue, please check where the reports are stored and see if you can access that area. If this asks you to log in to access this area, please ask your IT to give you access to this area.

If both of these solutions have been tried and the issue still persists, Support will need to check your settings on the SQL Server. Therefore, please raise a new case online and reference the title of this article, and please include details of the user affected.