redirection instead render

src/Application/Actions/Group/CreateGroupAction.php

@@ -41,7 +41,9 @@ class CreateGroupAction extends GroupAction
 
         $this->logger->info("Group has been created.");
 
-        return $this->twig->render($this->response, "/group/group_view.twig", ["group" => $group, "session" => $_SESSION]);
+        return $this->response
+            ->withHeader('Location', '/groups' . $groupId)
+            ->withStatus(302);
     }
 
 }