Focus and strain don't show anything

Ho, the focus and strain app on my Garmin 1030 and Garmin 520 not show any number, I tried to uninstall and reinstall but it shows no reference.

Try installing/reinstalling using GCM or GE (try the other). Be sure to use the correct Xert Code without any leading/trailing spaces.

Hi Armando, i’ve try to uninstall e reinstall on gcm and GE, now the focus show me only 8 min or minus minute, non show me any focus major than 8 mins