Manually Changing Steps Data

Got 18000+ steps on 10/29/24 yet my Garmin Fenix 6 Pro did not sync till later and that day is recorded as ZERO steps. My steps are still shown in the watch itself but not the synced app or on-line. No way to change this??? 263 straight days of 15K step and now it has started over. Garmin - you can do better. Any ideas out there?