From 5822e4422213a4bacfccce41df3c8e87ccc7da1a Mon Sep 17 00:00:00 2001
From: neeta-wagento <neeta@wagento.com>
Date: Sat, 19 May 2018 14:26:44 +0530
Subject: [PATCH 1/2] resolve non-unique elements id in console error

---
 .../view/frontend/web/template/billing-address/form.html      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html b/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html
index 1be754934042b..00f87d325d963 100644
--- a/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html
+++ b/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html
@@ -9,7 +9,7 @@
     <!-- ko template: getTemplate() --><!-- /ko -->
     <!--/ko-->
     <form data-bind="attr: {'data-hasrequired': $t('* Required Fields')}">
-        <fieldset id="billing-new-address-form" class="fieldset address">
+        <fieldset data-bind="attr: { id:'billing-new-address-form-'+index, value:index}" class="fieldset address">
             <!-- ko foreach: getRegion('additional-fieldsets') -->
             <!-- ko template: getTemplate() --><!-- /ko -->
             <!--/ko-->
@@ -21,6 +21,6 @@
                 </label>
             </div>
             <!-- /ko -->
-        </fieldset>
+        </fieldset >
     </form>
 </div>

From 4847b463a6e1305636f99455de45f296840ee979 Mon Sep 17 00:00:00 2001
From: Vishal Gelani <vishalgelani99@gmail.com>
Date: Sat, 19 May 2018 14:36:20 +0530
Subject: [PATCH 2/2] Removed extra space.

---
 .../view/frontend/web/template/billing-address/form.html        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html b/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html
index 00f87d325d963..1568045d4a98e 100644
--- a/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html
+++ b/app/code/Magento/Checkout/view/frontend/web/template/billing-address/form.html
@@ -21,6 +21,6 @@
                 </label>
             </div>
             <!-- /ko -->
-        </fieldset >
+        </fieldset>
     </form>
 </div>