From 770fac329aee91c5214466ab6583fd85e5504a76 Mon Sep 17 00:00:00 2001
From: gonzalo <gonzalo@ebizmarts.com>
Date: Wed, 26 Jul 2017 14:17:01 -0300
Subject: [PATCH] fix an issue when select inheritance in the config

---
 Model/Config/Backend/MonkeyList.php  | 4 +++-
 Model/Config/Backend/MonkeyStore.php | 7 +++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Model/Config/Backend/MonkeyList.php b/Model/Config/Backend/MonkeyList.php
index cc3cef9b..c5130881 100644
--- a/Model/Config/Backend/MonkeyList.php
+++ b/Model/Config/Backend/MonkeyList.php
@@ -72,7 +72,9 @@ public function afterSave()
         $data = $this->getData('groups');
         $oldListId = $this->getOldValue();
         $this->_registry->register('oldListId', $oldListId);
-        $this->_registry->register('apiKey', $data['general']['fields']['apikey']['value']);
+        if(isset($data['general']['fields']['apikey'])) {
+            $this->_registry->register('apiKey', $data['general']['fields']['apikey']['value']);
+        }
         return parent::afterSave();
     }
 }
diff --git a/Model/Config/Backend/MonkeyStore.php b/Model/Config/Backend/MonkeyStore.php
index 4c6dae5c..3c6e9fa7 100644
--- a/Model/Config/Backend/MonkeyStore.php
+++ b/Model/Config/Backend/MonkeyStore.php
@@ -74,6 +74,7 @@ public function beforeSave()
     {
         $data = $this->getData('groups');
         $found = 0;
+        $newListId = null;
         if (isset($data['ecommerce']['fields']['active']['value'])) {
             $active = $data['ecommerce']['fields']['active']['value'];
         } elseif ($data['ecommerce']['fields']['active']['inherit']) {
@@ -81,7 +82,9 @@ public function beforeSave()
         }
         if ($active && $this->isValueChanged()) {
             $mailchimpStore     = $this->getOldValue();
-            $newListId = $data['general']['fields']['monkeylist']['value'];
+            if(isset($data['general']['fields']['monkeylist'])) {
+                $newListId = $data['general']['fields']['monkeylist']['value'];
+            }
             $this->oldListId = $this->_helper->getConfigValue(\Ebizmarts\MailChimp\Helper\Data::XML_PATH_LIST, $this->getScopeId());
 
             $createWebhook = true;
@@ -100,7 +103,7 @@ public function beforeSave()
                 $this->_helper->markAllBatchesAs($mailchimpStore, 'canceled');
                 $this->_helper->resetErrors($mailchimpStore);
             }
-            if ($createWebhook) {
+            if ($createWebhook&&isset($data['general']['fields']['apikey'])) {
                 $this->_helper->createWebHook($data['general']['fields']['apikey']['value'], $newListId);
             }
         }