Patch_Magento_Customer-M2.1.4-customer-section-load-fix.patch

--- Controller/Section/Load.php
+++ Controller/Section/Load.php
@@ -79,6 +79,7 @@ class Load extends \Magento\Framework\App\Action\Action
             $response = ['message' => $this->getEscaper()->escapeHtml($e->getMessage())];
         }
 
+        $this->getResponse()->setNoCacheHeaders();
         return $resultJson->setData($response);
     }