Error: self signed certificate in certificate chain

[ACC-Ricky]

I have added the certificate in the NPM config file and the issue is still occurring.

"gatsby-source-rss-feed" threw an error while running the sourceNodes lifecycle:

self signed certificate in certificate chain

Error: self signed certificate in certificate chain

• node:_tls_wrap:1530 TLSSocket.onConnectSecure
  node:_tls_wrap:1530:34

• node:events:390 TLSSocket.emit
  node:events:390:28

• node:_tls_wrap:944 TLSSocket._finishInit
  node:_tls_wrap:944:8

• node:_tls_wrap:725 TLSWrap.ssl.onhandshakedone
  node:_tls_wrap:725:12

not finished source and transform nodes - 1.118s

This is the NPM config file:

registry=http://registry.npmjs.org/
@bit:registry=https://node.bit.dev
//node.bitsrc.io/:_authToken=***
//node.bit.dev/:_authToken=***
//registry.npmjs.org/:_authToken=***
cafile=/Users/username/Documents/certs/cert.pem
NODE_TLS_REJECT_UNAUTHORIZED=0