User Roles Manager

Hi,

What does it mean when the users are missing from the sidebar controls?

I’m using the Administrator account but I can’t see them all of a sudden. Love this plugin but this is weird. I didn’t make any recent changes except update the plugin to 5.8.1.

https://www.dropbox.com/s/gjpoe3hlqncsa34/Screenshot%202019-01-25%2009.57.58.png?dl=0

Please help thanks.