Getting a series of Error 9's now in UpdateAllSensors.
Couple hundred at least. I've not found an end to them, and use task manager to exit. On resuming, there is an "Increment Placeholder" in the event log. Incrementing time causes the error to occur again.
Fleet counts are (Good Guys), 91 ships. AI, 3 ships at 21m km, 3 ships at 43m km, 1 population at 780m km.
There are also 43 wrecks, 41 @ ~1700m km and 2 at 21m km.