Black (or Blank) summoner select screen.

Just accepted an aram match. When the window popped up it was all black, able to only see the X in the top right corner. I was not able to see what random summoner I received nor see to change runes or masteries. My only options were to exit or wait and see if the game loaded, and roll the dice to see if I had the correct runes and masteries. I chose to exit and now I have to wait 15 minutes to join again. This is the first time this happened to me. Kind of sucks that I'm punished for the client not working correctly.