Problem with cloning via the New Editor

A problem has recently emerged with cloning via the New Editor. No matter what type of metadata component I try to clone, I get the following:
image
[Note: Cloning is working as it should via the Old Editor]

Hi Col,
Hope you are doing well,
This issue is being fixed by the development team and is being released yesterday.
I appreciate your time for reporting this.
Cheers,
Muskan