Secrets of the Ancients help
 

I just got teir 5 on romulan and I did it entirely with the space patrol and never visited new romulus.

So I unlocked Secrets of the Ancients and then went to new romulus for the first time. It says to go to the underground ruins so I did, but the door doesn't work for me?

am i missing something? is it bugged?

you have to speal with the romulan civilian near transporter; u need to do the tier 4 mission again

You will also need environmental suits for each of your party members.