Tahoe 26.0

Are you reporting a bug? If so, please do it in the usual way - raise it at https://feedbackassistant.apple.com/ then post the FB number here.

As an aside, what do the tags you've assigned to your post have to do with your issue? What does "Business & Education" have to do with screensavers not appearing in a certain folder? And "Device Management"? Are you managing devices here, or just downloading screensavers? Please use the tags appropriately.