Getting 'kubectl get nodes' exited non-zero error

[adsz]

I'm getting this error when I run the script:

Running cleanup.sh version unreleased
==================== WARNING ====================
THIS WILL DELETE ALL RESOURCES CREATED BY RANCHER
MAKE SURE YOU HAVE CREATED AND TESTED YOUR BACKUPS
THIS IS A NON REVERSIBLE ACTION
==================== WARNING ====================
'kubectl get nodes' exited non-zero, make sure environment variable KUBECONFIG is set to a working kubeconfig file

I've tried the below but still getting the same error:

export KUBECONFIG=/etc/rancher/k3s/k3s.yaml

echo $KUBECONFIG
/etc/rancher/k3s/k3s.yaml

kubectl create -f deploy/rancher-cleanup.yaml

Also tried

KUBECONFIG=~/.kube/config 
kubectl create -f deploy/rancher-cleanup.yaml

and kubectl --kubeconfig ~/.kube/config create -f deploy/rancher-cleanup.yaml

but still no luck.

[superseb]

If you manually run the script, please supply the output of kubectl get nodes as that is what is being checked before proceeding.

For running it with kubectl, it will deploy the Job and then it will run in a pod which should use the service account but I would like to see the logs from the pod to confirm.

Also please supply output of kubectl version.

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[gcraenen]

I have the same error