The best suggestion I can make is keep exiting out of the game and try again. Thats the only way to get better frames I'm Afraid, but type: null advances pretty fast it doesn't take too long to get to the millions iirc
I followed the guide you published march 3rd used the timeline method and still getting incorrect spreads, unsure if this is due to me running the most recent version of the encounter RNG tool (1.08), but as I said before I was having the same problem with cosmog while running 1.06 so i'm not...
Sorry if it's a dumb question but this has been a reoccurring error for me for both Cosmog and now the tapu Koko event,
I am hitting the correct frame but not obtaining the spread that was displayed on the rng tool?
on frame 20644 according to the RNG tool i was supposed to obtain...
what i've done in the past is exit the game and attempt to get a close frame by getting a different initial frame. it worked for magearna and Type: Null