garmin 165 - time in zones of heart rate not working ??

Hello

while running with my new 165, heartrate is working. 

i have a goo monitoring.

but, at the end of the race, it does not display the time in zones of heartrate

deux pictures better than big text 

https://ibb.co/h99SYdd

https://ibb.co/QbFYZN4

can someone help me ?

thank you !!