I have a Garmin 245 and it will not let me sync the workouts that I created on the maps! Please advice what to do! I have tried the app and the computer and it will not recognize me!

I have a Garmin 245 and it will not let me sync the workouts that I created on the maps! Please advice what to do! I have tried the app and the computer and it will not recognize me!

Hello there,
I have the same problem.
I was able to do that a few weeks ago, but now I'm not able to upload any workouts (run, bike, custom), either from phone or a PC?
This is really annoying guys and it is a very important function!
Please help.
Krzysztof