// fix AdminRequestSqlController add action

controllers/admin/AdminRequestSqlController.php

@@ -145,6 +145,10 @@ class AdminRequestSqlControllerCore extends AdminController
 		');
 
 		$smarty = $this->context->smarty;
+		
+		if ($this->display != 'edit' && $this->display != 'add')
+			$this->display = 'list';
+
 		switch ($this->display)
 		{
 			case 'edit':
@@ -162,10 +166,6 @@ class AdminRequestSqlControllerCore extends AdminController
 
 				$smarty->assign('view', $this->viewRequestSql());
 			break;
-
-			default:
-				$this->display = 'list';
-			break;
 		}
 
 		parent::initContent();