Occurred after NaN display bug was fixed. The fix presumably substituted "NaN" with "unknown" for each of the rebellion stats, but "unknown" is listed for stats on an empire's own worlds as well, which shouldn't be the case - these stats are for our own rebellions so should be known.

Capture.PNG
Capture.PNG
--imperator-- on 7/19/2018 1:23 AM:

This seems to have been fixed? Closing the ticket.