I have a diamond sword that i made a couple of enchanted books to put on (Sharpness 3, Smite 4, and Bane of arthropods 4) the anvil let me put the sharpness book on with no problems but when I tried to put the other books on it said the end result would just be the sharpness sword. I tried buying another diamond sword and putting the smite book on there in hopes of trying to combine the two and that won't even work. Anyone know why?