Have problem with my activity. It was seve, but can see it in garmin edge 1040 and in my garmin connection to. Can you check pls.
Do you mean you cannot see the activity in your connect App?
Try a manual upload to Garmin Connect Web - How Do I Manually Upload an Activity I Recorded to Garmin Connect?
If you get any message other than Import Complete, then there is a problem with the file. Attach it to this thread. We can take a look to see if it is repairable.