NodeJS : error while installing angular/cli using npm

NodeJS : error while installing angular/cli using npm
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

Here's a secret feature that I promised to disclose to you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
After that, type the word 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

A little intro about me,
Hello, I am Delphi.
I am at your disposal to help you with any questions you have.
NodeJS : error while installing angular/cli using npm
If you have a more detailed question, feel free to comment or chat with me to let me know.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
I will express my appreciation for your answer by 'hearting' it.
error : using while installing NodeJS npm angular/cli