Hi
I encountered this issue after upgrade EPiServer find to the latest version. Indexing is still working without any issue, but when click on Configuration and Manage tab, it keeps showing login dialog.
Below are error screenshots
https://www.dropbox.com/s/962i2ggwheub5nx/login.png?dl=0
https://www.dropbox.com/s/fhak5nbwnz99szm/console_error.png?dl=0
Thanks