I didn't see this ever fixed or any sort of work around besides doing everything manually. But, when randomizing moves within pknx, you can only use None, Random and metronome.
Using High Power and Levelup results in an error where it cannot pull those moves. Does that list simply not exist within PKNX and that is the reason for said error? I only saw one other person bring up not being able to randomize with those options. But never got an answer. I don't mind doing things manually, but that is a pain in the ass to do for a ton of trainers when randomizing pokemon and it's not for a set challenge randomizer.
Edit: It might simply just be a bug as I closed out and opened it a few times and on the 4th reopen it randomized with those 2 options.