This has happened to me a couple of times when I was about to enter a new log.
This screen first came up
I thought probably my subscription was expired, so I hit the Subscribe button. Then either this came up
or this screen came up
If I close the App and retry, the problem doesn't happen again.
I have iPhone 8 Plus, Software Version 14.6(18F72)
This screen first came up

I thought probably my subscription was expired, so I hit the Subscribe button. Then either this came up

or this screen came up

If I close the App and retry, the problem doesn't happen again.
I have iPhone 8 Plus, Software Version 14.6(18F72)