[jivemi]

In Ts4EVER's Scenario #470, Bazooka Town, hex #31,12, a wood building, is a 100-point objective that's in German hands before the battle. Yet after first moving a tank into it, then an engineer squad, the hex stubbornly refused to acknowledge American control. At end of battle the Germans have 100 points more than they should. (Spoiler Alert--there's also a [now destroyed] basement in the hex).

Here's the last turn save; hit End Turn and you get Battle Results: