Part of activity took place in 2038?

I recorded a 200km+ ride, and my Garmin Edge 1000 was playing up so I had to recharge it, and also had to record parts of the activity separately and then combine them using FIT file tools.

Part of the activity is recorded as taking place in 2038, and I have a 2038 annual report in my Totals/Reports throughout intervals.icu. I don’t want to delete the activity because 200km is a long way, but I haven’t found a way to correct the year in a fit file. Is there a way to remove the wrong date?

Could you please mail the fit file to [email protected]. Tx.