diff --git a/build/api/module/clusterDefault.php b/build/api/module/clusterDefault.php
index 039463a..fc9f346 100755
--- a/build/api/module/clusterDefault.php
+++ b/build/api/module/clusterDefault.php
@@ -5,6 +5,7 @@
 	use \database\core\DatabaseDriver;
 	use \manager\sessionManager;
 	use \error\core\Error;
+	use \error\core\Err;
 	use \database\core\Repo;
 	use \manager\repo\cluster as clusterRepo;