As to not spam the forums with this too much, I'd like to add to this that there's clearly a bunch of weird thing stranded with the old BA quests. I played the first 2 weeks of BA and then quit for a few months, so I had progressed my character to the tainted black armory gear quest. I can't abandon this from my quests and every time I go to ada she gives me the quest step dialogue which I cant interact with other than pressing escape to skip. Of course I also have the same issues as the others here