From c002b8008c9de7451051de3443a20edfbe104ed5 Mon Sep 17 00:00:00 2001
From: Fabio Daniele <fabiodaniele01@gmail.com>
Date: Sun, 11 Feb 2018 03:38:59 +0100
Subject: [PATCH] Fix crasher

If checkApiCredentials fail for missing properties, it can badly break checkout and other modules
---
 app/code/community/Mailjet/Iframes/Model/Observer.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/code/community/Mailjet/Iframes/Model/Observer.php b/app/code/community/Mailjet/Iframes/Model/Observer.php
index 016b278..c094a11 100644
--- a/app/code/community/Mailjet/Iframes/Model/Observer.php
+++ b/app/code/community/Mailjet/Iframes/Model/Observer.php
@@ -236,6 +236,8 @@ public function customerSaveSync(Varien_Event_Observer $observer)
         $credentialsOk = Mailjet_Iframes_Helper_Config::checkApiCredentials();
         if($credentialsOk) {
             $syncManager = new Mailjet_Iframes_Helper_SyncManager();
+        } else {
+            return false;
         }
         
         $customer = $observer->getCustomer();
@@ -319,4 +321,4 @@ private function _isSubscribed($email)
     
 }
 
-?>
\ No newline at end of file
+?>