Burning Crusade Classic Arena Season 4 Ended at 10:00 PM, without any announcement or warning. In a Blue Post, Blizzard explains that this was not intended and is related to a bug.
At 10:00 PM Pacific Time, the Burning Crusade Classic Arena Season 4 ended and teams were unable to queue for Rated matches. Inspecting your team page, everyone was 0-0, indicating the season had ended.
