Try enabling "plugin Loader" on the rosalina menu, I tried it out of desperation, and almost all of my cheats work now. I think the game considers the cheat a "Plugin" because the data (or at least the edited code) is not part of the game, and that the cheat might be in checkpoint and not...
have you tried the option "Enable Plugins"? Cheats kept crashing my game too until i turned it on out of desperation. Now my cheats work just fine. I think that when the game calls to activate a cheat but plugins are disabled, it is unable to load the cheat as it is considered a plugin, and that...
Only thing drive me crazy is all these new horror games nowadays is its so dark, all time. I can't even play them. I understand they trying to create spooky but be creative a little, not just darkness with pop out scare scenes.