diff --git a/pub/errors/processor.php b/pub/errors/processor.php
index 68dc3963e93..5e4cd135d86 100644
--- a/pub/errors/processor.php
+++ b/pub/errors/processor.php
@@ -204,7 +204,7 @@ class Processor
         if (isset($_GET['id'])) {
             $this->loadReport($_GET['id']);
         }
-        $this->response->setMetadata("NotCacheable", true);
+        $response->setMetadata("NotCacheable", true);
     }
 
     /**
diff --git a/pub/errors/processorFactory.php b/pub/errors/processorFactory.php
index 27b6235587c..c519a6d3692 100644
--- a/pub/errors/processorFactory.php
+++ b/pub/errors/processorFactory.php
@@ -5,9 +5,11 @@
  */
 // phpcs:disable PSR1.Files.SideEffects
 namespace Magento\Framework\Error;
+
 // phpcs:ignore Magento2.Functions.DiscouragedFunction,Magento2.Security.IncludeFile
 require_once realpath(__DIR__) . '/../../app/bootstrap.php';
 require_once 'processor.php'; // phpcs:ignore Magento2.Security.IncludeFile
+use Magento\Framework\App\ObjectManager as AppObjectManager;
 
 /**
  * Error processor factory