hmmm...
Same for me. Sometimes it works without problem, sometimes you just have to leave panzar.
Connection lost, Screen freezes, picture/picture, no damage making, latence while grouping, ...
And the best is that, you can still be killed.
Oh yes! You will tell me to restart the game, the computer, to low graphics, or to reset the internet connection, ...
But when it really doesn't want to walk, there is nothing you can do.