[CLIENT] I have more experience points than required.
I logged in my account to see how many xp I need to level up, but I noticed that I have more xp than required to level up. I haven't played a game since then so I don't know if that fixes it. Here is a screenshot: http://imgur.com/s4BNBPb I restarted the client but the bug is still there.
EDIT: I just played a game and the bug is no more.