So today I walked into my first replicable crash. The game is the Scenario and I am Altar as per definition. I am employing a little army and started invading the other continent. I walked into Resolns capital Hagudst which was LEVEL 7. So curious me decided to click on it and open the "Details"tab. Silly me! The game crashed.
According to parrotmath this may be caused by the city partially being covered by the fog of war.
This is replicable. You can download a save and a crash dump here: https://www.dropbox.com/sh/cynad651gg4emcz/897rfB1gsw