I'm having troubles while exporting in .tcx format.
I'm using a Kettler elliptical trainer and I have to create a manual activity each time I'm done with a workout, then I usually export this newly created activity and upload it to Endomondo.
A little over a month ago I didn't have to do all the export and upload part, Endo is connected to my Garmin Connect account and it's able to automatically read/import all my bike/run/gym workouts recorded with my Forerunner 235 except for manually added activities.
Each time I try to export those activities I get this error message:
I even tried exporting the original (.fit) and then uploading it again to Garmin Connect with no success (even after running them in those .fit fix tools), the error is still there.
I'm using Chrome on Windows 10, same happens with Edge (same issue with Chrome and Safari on a Mac).
Any idea?
(sorry for my english)