Unable to move Data Set to Retired Folder

We are unable to move a date set to the retired folder.
This previously worked as I had created a Wiki page. Onkar and I tried this this morning and both got the same error.

<img width="1515" height="759" alt="Image" src="https://github.com/user-attachments/assets/ee2e159e-8f40-40bb-9ecd-a824c28e1820" />