Hey patriciafrommertztown,
Welcome to Apple Support Communities. If you haven't already power off the Apple Watch and the iPhone. Once they are both off, turn them back on and check the app on the iPhone. Restarting devices refreshes the OS system, and may resolve the issue. Below are the steps to power off and power on the Apple Watch. This article also includes them: Restart your Apple Watch.
How to restart your Apple Watch if you have watchOS 8 or earlier
1. If your Apple Watch is charging, take it off the charger.
2. Press and hold the side button until you see the Power Off slider.
3. Drag the Power Off slider.
4. After your watch turns off, press and hold the side button again until you see the Apple logo.
The steps for restarting your iPhone is here: Restart your iPhone - Apple Support
Take care.