WatchConnectivity is not reachable

I have paired two iWatch,the app in the second one can not have a reachable session with iPhone app

Xcode 15

iPhone 13 pro 17.1.2

iWatch S9 10.1

iWatch S9 10.1.1

Replies

Yes, that is correct. Only one Apple Watch is active at a time.

And they're called Apple Watch, not "iWatch".