Seems like you upgraded AdGuard Home before and now you are running an older version again. (This is by design because the AGH bundled with the firmware is way older)
Disable AGH and update it again using [Script] Update AdGuard Home
Seems like you upgraded AdGuard Home before and now you are running an older version again. (This is by design because the AGH bundled with the firmware is way older)
Disable AGH and update it again using [Script] Update AdGuard Home