Nearly every single game, especially over the last 2-3 days. I'm even getting kicked from duels and brawls now, which have generally been more or less safe from disconnects. 4v4 modes are no longer an option for me, I think I've managed to complete 1 out of 30 games this week. Sucks bro. ):
Hi! Sorry about that!
We're currently investigating this error and if you could report it to support and help us gather a bit more information, it will greatly help us as we look into it.