BuddyPress.org

I’m using WordPress 4.9.1 and Buddypress 2.9.2.

When I try changing the value of the Order by dropdown field all the members disappear and I have no idea why…
You can check it out here: https://www.tensionsofeurope.eu/about-us/members/
I tried disabling other plugins and using a default theme, but so far it’s still not working.