MAGETWO-80203: [2.2.x] Asymmetric Transaction Error with ElasticSearch

Author: aakimov

app/code/Magento/Catalog/Model/Product/Gallery/Processor.php

@@ -192,6 +192,7 @@ public function addImage(
         $mediaGalleryData['images'][] = [
             'file' => $fileName,
             'position' => $position,
+            'media_type' => 'image',
             'label' => '',
             'disabled' => (int)$exclude,
         ];