The back left door will fail to protect the people inside even if they activate the door shield. Sometimes it only kills one person but it can kill all 2-5 people at other times. No matter how early we activate it, it seems like it's a game of chance. We either die or live. The chances are surviving in this room are slim due to this glitch. Many of my fireteam members said this happened to them in previous Vosik encounters. Please look into this. It's causing many fireteams to lose a perfectly good runs