Ensure the save file matches your game version (usually NTSC-J, as the game was a Japan exclusive).
By using a 100% save, you bypass the grind and get immediate access to the "Extra Quality" content that makes this version superior to the original: The GO Generation Inazuma Eleven Go Strikers 2013 Save File 100 Extra Quality
100% bond levels between key players to trigger special team moves. Ensure the save file matches your game version