I've added some older diving activites to my profile using Garmin Connect web and I've accidentally added one log twice. When trying to delete the duplicate one, it somehow deleted the detail data, but the entry is still there in my list of activities. Whenever I try to see the details, there's an error about "Page not found". When trying to delete it again, it disappears but is still there after reloading the page. The URL to the activity is: https://connect.garmin.com/modern/activity/3066228400 . How can I get rid of this completely?
Also I've noticed I didn't get any diving-releated badges (e.g. Arctic Dive, New Kid on the Dock).