From 4783b6817e58e22a4e90709659495a23eabb3876 Mon Sep 17 00:00:00 2001
From: Joe Haddad <timer150@gmail.com>
Date: Fri, 19 May 2017 07:02:36 -0400
Subject: [PATCH] Ensure there's errors Fixes #2231

---
 packages/react-error-overlay/src/overlay.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/react-error-overlay/src/overlay.js b/packages/react-error-overlay/src/overlay.js
index 9f3587a8641..2a58f774cab 100644
--- a/packages/react-error-overlay/src/overlay.js
+++ b/packages/react-error-overlay/src/overlay.js
@@ -110,6 +110,10 @@ function renderErrorByIndex(index: number) {
 }
 
 function switchError(offset) {
+  if (errorReferences.length < 1) {
+    return;
+  }
+
   let nextView = currReferenceIndex + offset;
 
   if (nextView < 0) {