I got false banned when joining a custom track ww for "illegal track in my stuff" when my my stuff folder is empty? I'm so confused

https://cdn.discordapp.com/attachments/1043060788073603133/1134932839545176075/screenshot-wiimmfi.de-2023.07.29-15_00_11.png

https://wiimmfi.de/stats/mkw/match/15258658 this is the room I joined before I got banned

Just a heads up the automatic ban system may be flawed because there is no way this is not a false ban, or at least I'd like to think that.