6027-2351 [E] One or more unlinked filesets (filesetNames) exist
in the targetType specified. Check your filesets and try
again.
Explanation
The file system to back up contains one or more filesets that
are unlinked in the file system or snapshot specified.
User response
Relink the fileset in the file system. Optionally create a
snapshot and reissue the command with a correct name for the fileset, snapshot,
and file system.