Not found
A download-related API returned 404 with “Not found.” — a generic missing-resource message (file stream/preview, comments, and other routes that map to download.notFound).
Why this happens
The id does not exist, was deleted, or is not visible as a 404. More specific siblings say File not found. or Folder not found. when the code knows the resource type. The page-title Not found (no period) is SSR metadata only.
Diagnose and fix
1. Confirm the file/comment/resource id in the request.
2. Restore deleted content if applicable; check storage path is set.
3. Prefer the more specific error article when the UI shows one.
4. Not a plan or geo block (those are usually 403 with clearer copy).