Corrupted FIT File - HELP

Hello, I did a mutlisport activity on the weekend. Recorded on my Forerunner 945.

Unfortunately the activity will not sync to Garmin Connect or Strava. 

It seems to be corrupted and i cant fix it. 

Any help would be very much appreciated. 

File link is below.

https://www.dropbox.com/t/Vs2DABjFOxb5SgFj