I don't know if it is connected only with saving arrays but in my case is for arrays
STO.setValue(int, array);
Error Name: File Not Found Error
Occurrences: 1
Devices:
Forerunner® 945: 8.20
Languages: chs
calling function with saving from View.onExitSleep
Error Name: File Not Found Error
Occurrences: 3
Devices:
fēnix® 5X Plus: 15.40
Languages: dut
calling function with saving from View.onShow
Of course there is no any problem with my f6p and SIM and other users I know who use WF.
Eclipse, Windows, SDK 4.0.10