Aperture: Can‘t restore from a vault due to disk errors

If the volume that contains your vault needs to be repaired, your attempt to restore from the vault may end in a message similar to "restore library operation failed." To resolve the issue, try Disk Utility:

1. Quit Aperture.
2. Open Disk Utility, which is located in your Utilities folder (/Applications/Utilities).
3. Select the volume that contains the vault, and click Verify Disk.
4. If Disk Utility finds any errors, click Repair Disk.
5. Wait until Disk Utility is finished, then quit it.
6. Open Aperture and try to restore from the vault again.