Can't unlock MyBook after connecting to MyCloud

Do a forum search via the magnifying glass icon upper right, this has been discussed before. The My Cloud Dashboard currently does not have a mechanism to unlock encrypted drives. The drive would need to be unlocked prior to being attached to the My Cloud USB port.

Some past discussion:

https://community.wd.com/t/wd-my-cloud-4tb-does-not-unlock-wd-my-passport-ultra-tb-as-usb-safepoint-target/96675

https://community.wd.com/t/locked-my-book-not-recognized-by-my-cloud/93997