Automate scanned nodes show unreachable status (Beta)


I tried adding the node with the IP and user credentials but it seems like it gives it as unreachable. Below is the error:

Failed to verify connectivity to : exit status 1,
/opt/delivery/embedded/lib/ruby/gems/2.4.0/gems/inspec-1.48.1/lib/inspec/backend.rb:89:in `rescue in create’: Transport error, can’t connect to ‘ssh’ backend: SSH session could not be established (RuntimeError)

I have tried using telnet to check if the port 22 is available which it is. Is there any prior configurations that needs to be done before adding the nodes?