Need help in setting up Hugo postcss and fix errors

[techtracker]

Node.js error message: unsupported engine

I already copied package.json and package -lock.json from my theme to project directory. After that executed npm init, npm install. I got the below error, when i execute npm i -g postcss-cli Hugo Theme ( Blist-Hugo-Theme ) [IMG_20231105_200830_932] t [IMG_20231105_201154_085] How to fix this, anyone say as soon as possible?