docs(troubleshooting): add a new item into troubleshooting (#602)
docs(troubleshooting): add a new item into troubleshooting (#602)

* add a new item into troubleshooting

* add error message

* Improve wording of the error message


kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow,kubeflow/kubeflow