From 5e953cefeaa8e8133e8d16dddfe4f6aec132dd57 Mon Sep 17 00:00:00 2001
From: Isaac Connor <iconnor@tesla.com>
Date: Fri, 1 Dec 2017 12:30:07 -0800
Subject: [PATCH] fix old cookie causing errors loading layouts

---
 web/skins/classic/views/montage.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/skins/classic/views/montage.php b/web/skins/classic/views/montage.php
index ea2e0a588..30f7d0420 100644
--- a/web/skins/classic/views/montage.php
+++ b/web/skins/classic/views/montage.php
@@ -78,7 +78,7 @@ if ( isset($_COOKIE['zmMontageLayout']) ) {
 $options = array();
 $Layout = '';
 $Positions = '';
-if ( $layout_id ) {
+if ( $layout_id and is_numeric($layout_id) and isset($layoutsById[$layout_id]) ) {
   $Layout = $layoutsById[$layout_id];
   $Positions = json_decode( $Layout->Positions(), true );
 }