Civil War (playing as Rome)

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Triggered CW just a while back and was 2 turns in when I got my first crash. Posting some info here before I hit the sack. I was playing as Junii (normal), and the CW message popped at the start of the 65th turn (209BC), the turn after I hit Imperium level 4 on capturing my 38th settlement.

The Senate loyalists took Pella as their capital and spawned 5 armies and 3 fleets (and after reloading the previous save) were all led by the 8 known members of the other distinguished houses. Though they formerly led 5 armies and 3 fleets of my armies, they did not assume their exact same position as rebel leaders, specifically 3 of them switched positions (gen to adm & vice-versa). Lost 2 spies and 1 dignitary, with the dignitary the only 1 I'm sure of that was accompanying a seceding general. Can't remember where the spies were but I faintly remember 1 spy to be near (if not at) Pella region. The loss of Pella dropped me back to Imperium 3. One turn in, their armies didn't stick together and seem to splintered a bit, but mostly to the south. Too early to make a conclusion, and will post more once I start a new session.

As mentioned I had 38 settlements (w/ 11 fully controlled region and another 6 regions spread amongst 3 client-states) when Imperium 4 started, and took another one before I ended turn 64. My military was composed of 8 armies and 4 fleets. House Junii had 3 members w/ Faction Leader (age 53) having 48 gravitas, 2 ambition, while the other 2 had gravitas of 15 & 5. Funny thing though, my FL died the same turn as the CW. Senate support was at 44% when CW triggered, with the rebel Houses had 17% & 13%. Other house was at 26%. Senate support ratio was at 70/30 then for the 'loyal' houses. Possible lead perhaps?