I have been trying to find a solution on fixing this error, but I have never seen it before.
I rendred this building with BAT4Max using 3dsmax 2014. All the renders look normal out of max but it looks like this in game. All my gamma settings are set corectly.
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2Fi.imgur.com%2FJv3UTyG.jpg&hash=c77e8bef5ff373a7cb8e489afbadebd3686c49ee)