I do not know if you are upgrading the game as we speak, but some bugs occur here.

Last battle I scored 300 points because my opponents army started with 1 HP per man, instead of the usual full bar.

And now I play a game, and my opponent does not even have an army! It is a blank field on his side, and the bar with percentage and portraits is empty as well :S

What causes this?

For your information:
This is how I start:

This is the screen that appears when I have succ. moved 1 model !