Unable to Give Medicine from "Herbal Entrepreneurs" to Doctor

Come on guys, at least the quest doesn't freeze the game anymore when entering the zone, and the quest itself validates correctly when you give the UV lamp. Ok we can't give the antibiotic weed to the turian doctor, but it doesn't involve any sub-quest anyways (they've simply removed its entry it seems). I guess that the zone bug was much more complicated to repair than what most people think (EA's Frostbyte would be inapropriate for such RPG it seems). Trolling doesn't help anything...