Sometimes i get the following problems:

root@k8s-1:~# kubectl delete pod dev-uui-585f89c868-s6b5d -n onap

error: serializer for text/plain; charset=utf-8 doesn't exist

root@k8s-1:~# helm upgrade dev local/onap --set uui.enabled=false

Error: serializer for text/plain; charset=utf-8 doesn't exist

root@k8s-1:~# helm delete --purge dev

Error: serializer for text/plain; charset=utf-8 doesn't exist

root@k8s-1:/home/ubuntu# helm init --upgrade
$HELM_HOME has been configured at /root/.helm.
Error: error installing: serializer for text/plain; charset=utf-8 doesn't exist

root@k8s-1:/home/ubuntu# helm init --upgrade
$HELM_HOME has been configured at /root/.helm.
Error: error installing: an error on the server ("Service unavailable") has prevented the request from succeeding (post deployments.extensions)