There are two past discussions that mention Code 004. In both cases it was recommended to contact WD Support directly.
https://community.wd.com/t/data-volume-failed-to-mount-help/96495
https://community.wd.com/t/data-volume-failed-to-mount/91074
There are two past discussions that mention Code 004. In both cases it was recommended to contact WD Support directly.
https://community.wd.com/t/data-volume-failed-to-mount-help/96495
https://community.wd.com/t/data-volume-failed-to-mount/91074