Issue #3382857 by ciprian.stavovei: Getting LogicException: The database...

Issue #3382857 by ciprian.stavovei: Getting LogicException: The database connection is not serializable

src/MediaBatchService.php

@@ -3,6 +3,7 @@
 namespace Drupal\reassign_user_content;
 
 use Drupal\Core\Batch\BatchBuilder;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Drupal\Core\Link;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 
@@ -11,6 +12,7 @@ use Drupal\Core\StringTranslation\StringTranslationTrait;
  */
 class MediaBatchService {
 
+  use DependencySerializationTrait;
   use StringTranslationTrait;
 
   /**