Please do not use the map in uber it’s wrong. Instead search for the correct location in your phone map app by searching for 838 Hay Street.
This will bring you to a beautiful door across the road from His Majesty’s theatre.
Press 39 and a green button on the lower right and then the door will open for you and you can leave the food on the chair inside.
Don’t forget to press the white button on the wall to unlock the door so you can leave.