问当运行npm安装时，我将返回npm错误！代码E404

EN

npm install
npm ERR! code E404
npm ERR! 404 Not Found - GET https://repositor.com/artifactory/api/npm/ui-mjd/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz
npm ERR! 404
npm ERR! 404  'whatwg-fetch@https://repository.com/artifactory/api/npm/ui-mjd/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.