Missing Attack Buttons is happening again

In GAC today I had just about completed winning my battle when at 2:30 minutes remaining the attack buttons disappeared. The turn order showed it was my Leia’s turn. I could select other things on screen but even hitting auto battle Leia just sat there. 

the counter got all the way down to 0:00 and then just sat there. Battle never timed out. I was forced to forfeit a battle I would otherwise have won and subsequently lost the match.