#56 Monitor.pl not working

[Lexo]

I've upgrade Webmin from 1.270 to 1.280 for all my
webmin servers (near 8) with cluster webmin from master
server

On my master webmin server in "other" -> "System and
Server Status" all status are in RED.

If i'm launching manually monitor.pl, i've this :

/etc/webmin/status/monitor.pl
Failed to find status for 10.1.2.96!
Failed to find status for 10.1.2.26!
Failed to find status for 10.1.4.2!
Failed to find status for 10.1.2.94!
Failed to find status for 10.1.2.95!
Failed to find status for 10.1.2.93!
Failed to find status for 10.1.2.91!
Failed to find status for 10.1.4.4!
etc ..

What's the solution ?

Regards