reverted:
--- b/modules/commerce/src/Plugin/migrate/process/d7/CommerceReferenceRevision.php
+++ a/src/Plugin/migrate/process/d7/CommerceReferenceRevision.php
@@ -1,6 +1,6 @@
 <?php
 
+namespace Drupal\commerce_migrate\Plugin\migrate\process\d7;
-namespace Drupal\commerce_migrate_commerce\Plugin\migrate\process\d7;
 
 use Drupal\migrate\MigrateExecutableInterface;
 use Drupal\migrate\Plugin\migrate\process\Migration;