Backups & restore points · Status and problems
What does "This backup is busy with another operation" mean?
Short answer: Another operation — a check, restore or still-finishing backup — is already using that backup. Only one runs at a time; wait a moment and try again.
It means something else is already working on that backup — usually a check, a restore, or a backup from the same set that's still finishing. Only one operation runs on a backup at a time, which keeps it consistent.
Wait a moment and try again. If you've just restarted the Mac or reopened Storage Studio and it persists, give it a minute — it clears once the earlier operation ends.