Fatal Exception: java.lang.IllegalArgumentException: Navigation action/destination gr.teithe.it.it_app:id/announcementsToNotifications cannot be found from the current destination Destination(gr.teithe.it.it_app:id/notificationsFragment) label=Ειδοποιήσεις class=gr.teithe.it.it_app.ui.notifications.NotificationsFragment
at androidx.navigation.NavController.navigate(NavController.java:931)
at androidx.navigation.NavController.navigate(NavController.java:868)
at androidx.navigation.NavController.navigate(NavController.java:854)
at androidx.navigation.NavController.navigate(NavController.java:1107)
at gr.teithe.it.it_app.ui.announcements.AnnouncementsFragment.onOptionsItemSelected(AnnouncementsFragment.java:221)
...
Possible solution: https://stackoverflow.com/a/56168225