To get past the door;

Teleporting Anywhere, via hex editor
or
FIX for the Missing Catacombs Portal

Are you done all the quests in Verdistis / killed the Succubus in the council hall? Done any of the council member quests? If not, what quests to you have left? If you are done, or we did the quests in relatively the same order, I could email you a world.x1 file from one of my saves.