For me all members should be at war, but members' reactions towards imperium should be different, dependent on their attitude.All of them? Including Peaceful and Pacifist minors?
Warlike minors sure, they should be at war. Not really sure about the rest.
Yes, I attacked Corneria shipyard that unlucky turn.Found the issue. You must have destroyed a Cardassian fleet in orbit of Corneria? The shipyard was repairing a ship there. Will try to fix later today.