Make sure the save game is compatible with your version of Forza Horizon 5. Saves from different game versions or platforms (e.g., Xbox vs. PC) might not work.
: Saves are often tied to specific game versions. If your game is older than the save file, it may result in an "Invalid Profile" error. Online vs. Offline
Change this number to match the Steam ID provided by the creator of the 100% save file (usually bundled in a text note with the download link). Troubleshooting Common Issues "Save File Corrupted" Error
Forza Horizon 5 FitGirl/Codex Save Location : r/CrackSupport