When exporting a report, you may be returned to the login screen for Blackbaud Hosting Services after clicking ok on the export now screen.
Disable an antivirus software that was recently installed on the workstation
Log out and back in to the Blackbaud Application Web Portal
If the issue persist
This issue is unique to the hosting server you are accessing. Contact Support and reference this article. If you need immediate access while you wait for a support analyst to contact you, log out and log back in to access another server.