If you're encountering a "URL cannot be found" error, it’s probably because the discussions have been either removed or relocated, or you might lack the required permissions to access them.
You don’t need a subscription to browse discussions on MyDramaList, but keep in mind that some threads may be restricted to specific user levels or groups.
If you’re having trouble, try logging out and back in or clearing your browser’s cache to see if that resolves the issue.
Hope this helps!