Map scripts do not work on 188.8.131.52
The 184.108.40.206 AREDNMesh firmware is missing the xinetd package.
It is not installed automatically on that particular firmware.
This is not an issue with 220.127.116.11 or with prior 3.16.X releases.
Without xinetd, the node will not return the list of nodes to poll or the info required to build all the link lines on the map.
The xinetd package can be installed manually if needed, the file is here:
(file also attached to this message)
(You really ought to just upgrade to 3.19 rather than doing this!!)