無法進入游戲，顯示【只適用於隊長】。昨天進行游戲時沒有任何問題。今天上午開始就無法進入游戲了。非天梯角色也不行 
Apparently a known issue, globally, and may have been resolved. You are not the first nor last to report server malfunction… and, also, seems to have affected every game, not just Diablo.
So, nyah nyah.