So well I am at 44% of the game. After the emeral valley (something like that... After that I have killed the metal bug)I have to go back in the city. I follow map that show me where to go wich is to the yellow ligth that bring me to a door that never open. I don't understand why usually when you follow the map and you go to the yellow light you are in the right place but now it doesnt work what I have to do?? Thank you!