npm ERR! git fetch -a origin

[RuidongWang]

npm ERR! git fetch -a origin (https://github.com/debris/bignumber.js.git) fatal: unable to access 'https://github.com/debris/bignumber.js.git/': Empty reply from server
npm ERR! git fetch -a origin (https://github.com/0mkara/react-checkbox-tree.git) fatal: unable to access 'https://github.com/0mkara/react-checkbox-tree.git/': LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443
npm ERR! Darwin 17.6.0
npm ERR! argv "/Applications/Atom.app/Contents/Resources/app/apm/bin/node" "/Applications/Atom.app/Contents/Resources/app/apm/node_modules/npm/bin/npm-cli.js" "--globalconfig" "/Users/wangruidong/.atom/.apm/.apmrc" "--userconfig" "/Users/wangruidong/.atom/.apmrc" "install" "--runtime=electron" "--target=1.7.15" "--arch=x64"
npm ERR! node v6.9.5
npm ERR! npm v3.10.10
npm ERR! code 128

npm ERR! Command failed: git fetch -a origin
npm ERR! fatal: unable to access 'https://github.com/debris/bignumber.js.git/': Empty reply from server
npm ERR!
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR! https://github.com/npm/npm/issues

npm ERR! Please include the following file with any support request:
npm ERR! /Users/wangruidong/Downloads/etheratom-4.3.1/npm-debug.log

[legodude17]

Does this occur on the latest version of npm?

[RuidongWang]

yes, I use the latest version of npm.

[legodude17]

What does the error look like on the latest version?

[kenany]

Also, what is the result of git --version?