I was using the version from the universal updater and it didn't work. I just tried again using the latest release on the GitHub page and it still didn't work.
HI, I'm trying to play an undubbed version of Inazuma eleven 1 but I'm getting an error when trying to run the game. I tried an Inazuma eleven 2 undub mod and it worked. The rom runs on an emulator but not on twilight menu, I'm playing on 3ds...