Hello Divine
"takeover is disabled because of reason (interconnect error)"
usually means Hardware failure, so just do the usual troubleshooting
Verify the interconnect cables are connected correctly between nodes.
Reseat the interconnect connection one at a time.
Replace the cables
reseat motherboard.
If that doesn't work then bounce the connection
Node> priv set diag
Node*> ic link off 0
Node*> ic link off 1
If that doesn't work then probably there is a faulty componen