Did you put the encounter code in the same txt? Mine works perfectly
[Encounter On (v1.1.0)]
04000000 01AFBC44 18FFFDDA
04000000 01AFBC68 18FFFC94
@Falo
Check page 63 for the compatible yuzu cheats, rare candys and item based cheats do not work on yuzu. Try to create a folder for every single cheat. Some cheats may conflict with each other, try one at the time just to be sure