Scratch that. I had an older version backed up in Time Machine. That did the trick.

I don't have any previous versions. Is there a link to download either 6.1 or 6.0.5?

The drives which do not show SMART status are -An OWC Mercury Elite Pro Dual, set up as RAID 0, connected via Thunderbolt -A generic enclosure with ...

Thank you. I talked to OWC Tech Support as well, and the rep indicated that a red light will turn on over the bad disk if it has failed completely. ...