Failed to enable ownership - can't back up

[bammi]

Sent log. Documenting the error here in case anyone else encounters the same:

In all these years of using SUperDuper I have never seen this error. I am logged in as the only user configured on this Macbook Air, running El Capitan 10.11.5, 4GB os Memory, lots of free disk space, trying to backup to a freshly formatted external usb drive.log:
| 10:19:19 PM | Info | SuperDuper!, 2.8 (96), path: /Applications/SuperDuper!.app, Mac OS 10.11.5 build 15F34 (i386)
| 10:19:19 PM | Info | Started on Fri, Jun 17, 2016 at 10:19 PM
| 10:19:19 PM | Info | Source Volume: Macintosh HD, mount: /, device: /dev/disk1, media: Macintosh HD, interconnect: Internal SATA, file system: "Journaled HFS+", OS: 10.11.5 (15F34), capacity: 120.10 GB, used: 54.66 GB, directories: 292798, files: 1611434, ejectable: NO, ACLs: Enabled
| 10:19:19 PM | Info | Target Volume: HawaaBackup, mount: /Volumes/HawaaBackup, device: /dev/disk2s3, media: HDT72252 5DLA380, interconnect: External USB, file system: "Journaled HFS+", OS: N/A, capacity: 249.93 GB, used: 0.31 GB, directories: 20, files: 66, ejectable: YES, ACLs: Enabled
| 10:19:19 PM | Info | Copy Mode : Smart Update
| 10:19:19 PM | Info | Copy Script : Backup - all files.dset
| 10:19:19 PM | Info | Transcript : BuildTranscript.plist
| 10:19:19 PM | Info | PHASE: 1. Prepare to Copy Files
| 10:19:19 PM | Info | ...ACTION: Preparing Macintosh HD
| 10:19:19 PM | Info | ......COMMAND => Verifying the integrity of volinfo.database
| 10:19:19 PM | Error | bash: -c: line 2: syntax error: unexpected end of file