Two-node cluster. Servers are Netware 6.5 SP 7.

I'm seeing this error on our Cluster object when I go in to Cluster
Management in iManager.

Error: Clustering Error
File Protocol error occurred: cannot open the NCS version file on the
selected cluster. The Cluster software may not currently be running on
this server.

Question is: Is it iManager or a Cluster problem?
It has worked previously (we had a node down yesterday).
I can still manage the cluster from ConsoleOne.

Best regards