Fixed

packages/app/src/components/PageDuplicateModal.jsx

@@ -89,8 +89,7 @@ const PageDuplicateModal = (props) => {
   const getSubordinatedList = useCallback(async() => {
     try {
       const res = await appContainer.apiv3Get('/pages/subordinated-list', { path, limit: LIMIT_FOR_LIST });
-      const { subordinatedPaths } = res.data;
-      setSubordinatedPages(subordinatedPaths);
+      setSubordinatedPages(res.data.subordinatedPages);
     }
     catch (err) {
       setErrs(err);

packages/app/src/server/routes/apiv3/pages.js

@@ -718,10 +718,10 @@ module.exports = (crowi) => {
     const limit = parseInt(req.query.limit) || LIMIT_FOR_LIST;
 
     try {
-      const pageData = await Page.findByPath(path);
+      const pageData = await Page.findByPath(path, true);
       const result = await Page.findManageableListWithDescendants(pageData, req.user, { limit });
 
-      return res.apiv3({ subordinatedPaths: result });
+      return res.apiv3({ subordinatedPages: result });
     }
     catch (err) {
       return res.apiv3Err(new ErrorV3('Failed to update page.', 'unknown'), 500);