gm9 script doesn't recognize region swapped firmware

[Luadewi]

When running the script on my region swapped Japanese 3ds it still recognizes it as JPN and gives an error, even though it has EUR firmware installed on it.

[cooolgamer]

Are you using a emunand? If you're not, follow this: https://3ds.hacks.guide/region-changing#section-vi-fixing-locale-related-issues