From 68612892d100522229f089532e2e1dd44269a6bb Mon Sep 17 00:00:00 2001
From: Andrea Bogazzi <andreabogazzi79@gmail.com>
Date: Sun, 20 Nov 2016 19:11:37 +0100
Subject: [PATCH] null check on setActive (#3435)

---
 src/canvas.class.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/canvas.class.js b/src/canvas.class.js
index 795df7a516a..f09fb8fbc68 100644
--- a/src/canvas.class.js
+++ b/src/canvas.class.js
@@ -1477,9 +1477,11 @@
     deactivateAll: function () {
       var allObjects = this.getObjects(),
           i = 0,
-          len = allObjects.length;
+          len = allObjects.length,
+          obj;
       for ( ; i < len; i++) {
-        allObjects[i].set('active', false);
+        obj = allObjects[i];
+        obj && obj.set('active', false);
       }
       this._discardActiveGroup();
       this._discardActiveObject();