info There appears to be trouble with your network connection. Retrying...
Solution 1.
yarn install --network-timeout 1000000
Solution 2.
yarn config delete https-proxy
yarn config delete proxy
Debug
yarn install --verbose
Performing "GET' request to "https://npm. fontawesome.com/@fortawesome /fontawesome-pro/-/6.4.0/fontawesome-pro-6.4.0. tgz"
My issue was that i forget to add the license key in .yarnrc.yml for Font Awesome Pro.
npmScopes:
fortawesome:
npmAlwaysAuth: true
npmRegistryServer: "https://npm.fontawesome.com/"
npmAuthToken: "your-token-here"