Steps:

1. Go to Content/Content structure
2. Click Create
3. Choose French language and Landing Page
4. Fill the name and description and publish the LP
5. Click Page from the top menu once again

Actual result:

There is an error: No route found for "GET /site/admin/view/content/238/full/1/238" (from "http://pagebuilder/admin/page/preview/238/fre-FR")

Expected result:

Page is displayed.