During game play, my characters sometimes fall through the ground into the lowest level of the map. Sometimes this will get resolved by leaving the game and then come back in. However it's happened more than 3 times today and leaving and coming back doesn't solve it. To top it off, I even got trapped inside the resting shrine (the actual shrine statue). Other party members could see my weapon and shield sticking out from the shrine statue. I couldn't find a way out.
At first I thought it was a DX10 problem, but when I checked, I was running DX9. This happened most often when I was trying to go up (i.e. climbing up a ramp, going up a stair). I would just fall off from the upper levels. Occasionally I just fell through the top most layer and was able to jump out of the mess. My guess is that the game landscape wasn't loaded properly?