--- a/vendor/magento/module-sales/Controller/Adminhtml/Creditmemo/AbstractCreditmemo/PrintAction.php	2025-11-07 16:49:59.458752819 +0000
+++ b/vendor/magento/module-sales/Controller/Adminhtml/Creditmemo/AbstractCreditmemo/PrintAction.php	2025-11-07 16:50:56.880670053 +0000
@@ -63,7 +63,7 @@
             $creditmemo = $this->creditmemoRepository->get($creditmemoId);
             if ($creditmemo) {
                 $pdf = $this->_objectManager->create(
-                    \Magento\Sales\Model\Order\Pdf\Creditmemo::class
+                    \Dinhvan\Sales\Model\Order\Pdf\Creditmemo::class
                 )->getPdf(
                     [$creditmemo]
                 );