Fix for Kubernetes Deployment Error using helm chart | Error: kubernetes cluster unreachable: exec plugin: invalid apiversion "client.authentication.k8s.io/v1alpha1"

 Error: kubernetes cluster unreachable: exec plugin: invalid apiversion "client.authentication.k8s.io/v1alpha1"

 

Root cause and fix:

Downgrading helm version to 3.8.2 would resolve the issue.

curl -L https://git.io/get_helm.sh | bash -s -- --version v3.8.2