From 403a4600020969cb8447f4cc8f790e58c57eed47 Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@osmosoft.com>
Date: Sun, 3 May 2015 16:56:37 +0100
Subject: [PATCH] Check for dom node not found

---
 core/modules/widgets/widget.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/modules/widgets/widget.js b/core/modules/widgets/widget.js
index bbcf5b025..53c5ea46b 100755
--- a/core/modules/widgets/widget.js
+++ b/core/modules/widgets/widget.js
@@ -434,7 +434,9 @@ if(index === -1) {
 	var grandParent = parent.parentWidget;
 	if(grandParent && parent.parentDomNode === this.parentDomNode) {
 		index = grandParent.children.indexOf(parent);
-		return parent.findNextSiblingDomNode(index);
+		if(index !== -1) {
+			return parent.findNextSiblingDomNode(index);
+		}
 	}
 	return null;
 };