<Why do I need to wrap navActions.navigateToPurcha...

# stackoverflow

[user]

Why do I need to wrap navActions.navigateToPurchase() with LaunchedEffect in fun NavGraph when use Jetpack Compose?
In my plan, I hope to display Home UI when I run an app first, a user can open Purchase UI by clicking a button on Home UI. And more, Purchase UI will be displayed automatically if the app is expired when I run the app first.
In Code A, navActions.navigateToPurchase() is invoked in both fun NavGraph(...) and fun ScreenHome(...).
The app will crash if I don't wrap navActions.navigateToPurchase() with LaunchedEffect in fun NavGraph(), why? You can see Error Logs below.
Code A
@Composable
fun...