I have fortunately had very little interaction with insurance companies and claims so don't know the details of when they quit writing, although I have heard that making a claim is a strike against you regardless of whether they find coverage or make a payment. I've been very happy with NREIG, which seems to play by different rules, so you might give them a shot. If that doesn't work and you partner with others on projects, it would be worth exploring whether a different entity could get insurance. Best of luck!