To ensure your ROM isn't corrupted, use a tool like RapidCRC to verify the MD5 hash. A clean REPACK hash is often found in the file comments.
💡 If you want the most up-to-date roster, look for the "Inazuma Eleven Strikers 2013" version, though it was only released in Japan and requires an English patch. To help you get the best setup, let me know: Are you playing on PC, Android, or a modded Wii ? Inazuma Eleven Strikers Rom Wii REPACK