//Update usage of row list actions

controllers/admin/AdminGroupShopController.php

@@ -32,10 +32,10 @@ class AdminGroupShopControllerCore extends AdminController
 		$this->table = 'group_shop';
 		$this->className = 'GroupShop';
 		$this->lang = false;
-		$this->edit = true;
-		$this->delete = false;
 		$this->requiredDatabase = true;
 
+		$this->addRowAction('edit');
+
 		$this->context = Context::getContext();
 
 		if (!Tools::getValue('realedit'))