Followed this blog post on creating a new VM and trying to launch Jupyter notebook on GCP. 
<https://medium.com/@kn.maragatham09/installing-jupyter-notebook-on-google-cloud-11979e40cd10>
Getting this error message
[![enter image description here](https://i.stack.imgur.com/jBoxZ.png)](https://i.stack.imgur.com/jBoxZ.png)