Alright so i am just about to complete waters of life and am escorting Dr Li out of taft tunnels. Upon exiting the tunnels she goes to the intercom, the dialog plays through and they walk through what must be the gates. For me there are no gates, and i can walk straight through whenever i want. At the end of what i assume is a corridor and the waters of life quest comes up as complete, i can see where Dr Li and the rest enter what must be a door, but for me there is just a red diamond with a white exclamation mark. I can continue walking past this diamond into a massive open area which is clearly a bug. I've installed the automatic patch and tried fast travelling away and coming back. I've also tried reverting to a save just entering the tunnels. Does anyone know of anything that could help??
Thanks.