What to do when Numbers file can't save or duplicate?
Migrate from Catalina to sequoia, Nembers file
Cant't duplicate, cn't save I am in loop
[Edited by Moderator]
What's the loop? Did you click Unlock?
Or if you don't want to unlock did you click Duplicate?
Also check here.
Change permissions for files, folders, or disks on Mac - Apple Support
In Finder you can try navigating to the file, control-clicking (right-clicking), choosing Get Info and deselecting locked.
SG
SG