I've had this map bug for 3 years now

http://images.akamai.steamusercontent.com/ugc/403432783363466172/0DC61C14DA0FBA4EE9B0437CEDF59E4DF3BD3BFA/

I cant zoom out any further than that. Validated game files numerous times over to no avail. This problem doesn’t exist in TPS which uses the same engine.