Sophos XG135 DHCP static Lease import not working

I am setting up a new Sophos XG135 (SFOS 18.0.5 MR-5-Build586) and need to add a bunch of static IP Reservations to the DHCP server. I set up one or 2 via the Gui, and exported it, made changes, and added the Static Reservations like below then Imported:

    <StaticLease>
      <Lease>
         <HostName>Host1</HostName>
         <MACAddress>MAC1</MACAddress>
         <IPAddress>IP1</IPAddress>
      </Lease>
      <Lease>
         <HostName>Host2</HostName>
         <MACAddress>MAC2</MACAddress>
         <IPAddress>1IP2</IPAddress>
      </Lease>
      <Lease>
         <HostName>Host3</HostName>
         <MACAddress>MAC3</MACAddress>
         <IPAddress>Ip3</IPAddress>
      </Lease>
    </StaticLease>

In the logs, it says it imports fine but doesn't show in the GUI.