I'm actually aware these problems. However, there will be no more Campers or Lasses. Campers will be replaced by other Trainer classes, (Lady, Scientist, etc.) and Lasses will be replaced by a new Trainer class. The new Trainer class is "Teenager". I even made OWs for that Trainer class so that it fits its own sprite.
By the way, are you trying to say that some Trainers' PKMN are repeated?
If so, I replaced them with new ones by inputting new Trainers from the empty slots. (The ones that do not have any names)