Region: NA
Browser: Opera
Critical plugins: --
OS: --
Connection type: * Router
Bug type: In-game
Lobby ID: --
Date & Time: November 1 @ 7 pm PST
Earlier me and my buds in a game off-classed, but the next round, I couldn't join back to my regular class cause it was ful, and the other person did switch back, but it punished them anyway.
Here is a video of this: