So I tried and got the hand of it, you can view any national Pokémon and before encounter you need to press R, without viewing the Pokémon you’ll get a random.. but I still get the white screen after two random encounters or chosen encounters
You have to remove the Tesla ovrlay inside the atmosphere folder content snd search the folder same thing used to happened to me now that I use edizon SE for the activation of cheats and what not, it has stopped my switch from crashing