This message implies that ShieldSquare server is undergoing scheduled maintenance. During this period the portal will not be accessible. ShieldSquare engine will continue to process data and once the maintenance is completed, the portal will be accessible. We do not drop any bot traffic data for the time period even when the portal was down.
We will definitely update you through portal in advance that we are going on scheduled maintenance. If in case you were not intimated about this scheduled maintenance in advance and if you see this message, please contact us at firstname.lastname@example.org, we will assist you accordingly.