npm ERR! code UNABLE_TO_GET_ISSUER_CERT_LOCALLY

Question

I am trying all the ways of creating react application. I have tried with maven and now i am trying with crate-react-app build system from Facebook Incubators.

When

Answer 1

In my case, at some point I set my global config to use a cert that was meant for a project.

npm config list

/path/to/global/.npmrc
NODE_EXTRA_CA_CERTS = "./certs/chain.pem"

I opened the file, removed the line and npm install worked again.