npm install nodeconf2013

npm output

npm http GET https://registry.npmjs.org/nodeconf2013
npm http 401 https://registry.npmjs.org/nodeconf2013
npm http GET https://registry.npmjs.org/nodeconf2013
npm http 401 https://registry.npmjs.org/nodeconf2013
npm ERR! Error: unauthorized Name or password is incorrect.: nodeconf2013
npm ERR!     at RegClient.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/npm-registry-client/lib/request.js:272:14)
npm ERR!     at Request.self.callback (/usr/local/lib/node_modules/npm/node_modules/request/index.js:148:22)
npm ERR!     at Request.EventEmitter.emit (events.js:98:17)
npm ERR!     at Request.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/request/index.js:876:14)
npm ERR!     at Request.EventEmitter.emit (events.js:117:20)
npm ERR!     at IncomingMessage.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/request/index.js:827:12)
npm ERR!     at IncomingMessage.EventEmitter.emit (events.js:117:20)
npm ERR!     at _stream_readable.js:910:16
npm ERR!     at process._tickCallback (node.js:415:13)
npm ERR! If you need help, you may report this log at:
npm ERR!     <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR!     <[email protected]>

npm ERR! System Darwin 11.4.2
npm ERR! command "node" "/usr/local/bin/npm" "install" "nodeconf2013"
npm ERR! cwd /Users/alunny/dev/nodeconf
npm ERR! node -v v0.10.12
npm ERR! npm -v 1.2.32
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/alunny/dev/nodeconf/npm-debug.log
npm ERR! not ok code 0