Probably you have already tried, but try doing a fresh YANBF install and converting a new CIA again. Also update the Twilight Menu and bootstrap to the latest version.
I'm not sure if I understood correctly. I was wondering if I can have a backup just copying the files like the OP asked.
Currently I have the NAND backup, games and saves individually.
Wow, thank you so much! I really appreciate your effort! 🤩
1713138057
I don't know how to add on GitHub, but I'm sending in the attachment a few more:
Zoo Keeper
Planet Puzzle League
The Simpsons Game
Kirby Squeak Squad
Kirby Mass Attack
Took me hours, but I finally found a solution after a few attempts with different approaches.
I'm using macOS with a M1 chip.
Windows 11 on Parallels 18 (virtual machine): NSUI New Super Ultimate Injector v0.27 Beta worked for GB/GBC, but didn't work for GBA when exporting the .cia file...