Just edit getGlpiItemtypes() in /toolbox.class.php to add Virtual Machines support:
$other_itemtypes = [
NetworkPort::class,
Notification::class,
NotificationTemplate::class,
ComputerVirtualMachine::class, // <<<<<<< ADD this line and it works fine. Maybe better add it not here.
];
Just edit
getGlpiItemtypes()
in/toolbox.class.php
to add Virtual Machines support: