From 63383a451c6b0e266accc772e017ef75f02826ec Mon Sep 17 00:00:00 2001
From: Eric Vicenti <eric@aven.io>
Date: Wed, 31 Oct 2018 11:01:04 -0700
Subject: [PATCH] Improve missing navigator prop invariant message

---
 packages/core/src/navigators/createNavigator.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/navigators/createNavigator.js b/packages/core/src/navigators/createNavigator.js
index 7c718065..da1863d4 100644
--- a/packages/core/src/navigators/createNavigator.js
+++ b/packages/core/src/navigators/createNavigator.js
@@ -15,7 +15,10 @@ function createNavigator(NavigatorView, router, navigationConfig) {
     static getDerivedStateFromProps(nextProps, prevState) {
       const prevDescriptors = prevState.descriptors;
       const { navigation, screenProps } = nextProps;
-      invariant(navigation != null, 'Navigation containers!');
+      invariant(
+        navigation != null,
+        'The navigation prop is missing for this navigator. In react-navigation 3 you must set up your app container directly. More info: https://reactnavigation.org/docs/en/app-containers.html'
+      );
       const { state } = navigation;
       const { routes } = state;
       if (typeof routes === 'undefined') {