Lost my save

So i just had finished the three first races, saved everything and had to shut down the xbox.
Moments later i came back and POW! I had to do the three races again and lost the 5milion i started with >:(
Has this happened to anyone? Any solutions

Send an email to forzafb@microsoft.com with subject “FM6 game save lost” and your details. Emails to that address trigger an autoreply while someone reviews your message. You may or may not receive a followup response.