It can happen that a cluster becomes invalid.
A printer can have newly installed printer software.
A printer is no longer registered.
The number or cluster printers is less than two or more than 100.
What to do
Read the message.
Hover the
symbols of the printers to read more information.
Remove the printer with newly installed software from the cluster. In the cloud service administration portal, first remove the printer and then register the printer again.
Remove the not registered printer from the cluster. In the cloud service administration portal, register the printer again.
When you have solved the encountered problems, start the synchronisation again.