What happened to cardio fitness score?

[CarolHF]

I just noticed that the cardio fitness score and heart rate graphs are missing on my Fitbit app.  When I click on the heart rate icon, all I get is a list of days with a small graph for each one showing my heart rate through the day.  The graph at the top is no longer there and I can't access the fitness level score. Did something change?

[Rich_Laue]

What phone is the app on @CarolHF 

[CarolHF]

Samsung Galaxy S9., but the graphs started working again today. I restarted my phone and maybe that helped. 

[David2010]

I have the same problem but in my case restarting was not successful.

[NicNP]

I just noticed this same outcome today. I have a OnePlus 7

[Blazewithipodna]

I have a Versa and a Samsung S20. It was there until a few days ago. Restarting the phone didn't help. It's still visible on the watch but not in the app.