Campaign mission bugged (Titanfall 2)

I want to get all of the achievements for Titanfall 2, but I can't get the trophy for completing the game on Hard because of this one annoying bug.

In the mission where Jack gains the time travel device, and after you enter the room with all the old Fold weapon shells, you go down a hallway where there's a small room with some turrets lined up in it. But due to the large debris in the way when I jump to the present, I can't go behind those turrets before jumping into the past to deal with them from behind.

Because every time I jump into the past, the turrets instantly kill me every time without fail. On Master difficulty this wasn't a problem, I was just reduced to very low health. But on the difficulty below that. It's an instant kill.

Is there any way to get around this? I really want to get the platinum trophy for this game.