NWCONFIG-X-139: A partition table does not exist on this drive. If you continue and create a disk partition, the table will be created for you.
Source: NWCONFIG.NLM
Explanation: The installation program does not see a partition table on the drive.
Action: If this is a new drive, or if there is no disk partition on the drive, continue with the installation. If there is a disk partition and you want to preserve the data on the drive, indicate No in the box that follows.