Restore db operation was successful however the attempt to add the last backup db volume used back in to the volume history failed.
The database restore operation is successful. Entry for last backup db volume used in the operation might be missing from volume history.
Keep a copy of the volume history file that was used to do the restore operation. After you have verified the restore db operation do a backup db type=full. Manually track the volume that was not added back in to the volume history.