When I did npm login, Got ERR! Code 426. So did
$npm cache clean --force
$rm -rf node_modules package-lock.json
$npm install
npm install did succeed with 200 OK.
When I do npm start, facing assertion failed(v16). When I googled it's asking to install earlier versions of node.js. I tried installing v14 - couldn't locate the .npmrc file and adding it didn't work. I tried installing v12 - Apple is not allowing to install & asking to install the later version. So any help would be appreciated.
[1] depict npm login error [2] depict assertion failed error [1]: https://i.stack.imgur.com/DPNrt.png [2]: https://i.stack.imgur.com/sUms0.png