Hi Pahrial,
In this kind of scenario, I would use the Cluster API command to get the kubeconfig of the cluster
```
clusterctl -n magnum-system get kubeconfig kube-r6jnx
```
Store the output of that and try doing a `kubectl get nodes` or `kubectl get pods -A` and see if the API server is up and if there is any issues within the cluster (if certain
pods are not up or not ready).
Thanks
Mohammed