After picking up operator the hive knights and shreikers do not spawn and the quwst will not progress further. When reaching the fallen captain that is supposed to drop a key, upon killing him nothing drops and we are soft locked in the room.
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Happened to me twice yesterday , did notice some weird stuff before that section like at the very start after the ogre when you first enter the facility there were no laser beams. I went and restarted it a couple of times and walked thru that first section until it looked normal then it was ok.