CJ Vermeire

So at the end of every arena game i play, i get sent back to the area where I choose what game mode I want to play instead of showing the end game stats and staying in the lobby. After a this happened a couple of times, i got banned from arena games. This is the third consecutive day this has happened and i have now been banned for 9 hours! Which is ridicules because i never kill teammates or cheat in any way. I am desperate to find a way to contact someone who can help. If you can help me out, Please reply.