My great people the apps on Android phones depends on Version update Android, firstly if it stopped it will keep saying wait or forced stopped.
If Case is that Have zero worry, either your Android version or the App is outdated.
Solution Now
Step one
go to settings > Find system > system update then click on update.
Step two
go to settings > Find App & Notification > Then click the specific app and click force stop and clear the cache on storage.
Then go back to the app and restart the app.