Oh I didn't get that the mission was playing, so forget my advice.
As long as the admin on Teamspeak as he should be, one could message him there, and on Steam, and if that doesn't work drag him to the lobby and talk with him.
As long as the admin on Teamspeak as he should be, one could message him there, and on Steam, and if that doesn't work drag him to the lobby and talk with him.
The fewer men, the greater share of honor