Can't install jam

[anthonybrown]

→ npm install -g jamjs
npm ERR! TypeError: Object # has no method 'lock'
npm ERR! at /usr/local/lib/node_modules/npm/lib/cache.js:1418:14
npm ERR! at /usr/local/lib/node_modules/npm/lib/cache.js:1054:12
npm ERR! at Object.oncomplete (fs.js:107:15)
npm ERR! If you need help, you may report this entire log,
npm ERR! including the npm and node versions, at:
npm ERR! http://github.com/npm/npm/issues

npm ERR! System Darwin 13.1.0
npm ERR! command "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "jamjs"
npm ERR! cwd /Users/anthonybrown
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.13
npm ERR! type undefined_method
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /Users/anthonybrown/npm-debug.log
npm ERR! not ok code 0

[ryanramage]

On the surface it looks like it is an issue with npm maybe. Can you paste your '/Users/anthonybrown/npm-debug.log' to https://friendpaste.com/ so I can look at the full error please?