Express-on-Railway JS フレームワークをインストールしようとすると、このエラーが発生します。助けてください: https://github.com/1602/express-on-railway
npm ERR! error installing railway@0.1.7-8 Error: Unsupported
npm ERR! error installing railway@0.1.7-8 at checkEngine (/usr/local/lib/node_modules/npm/lib/install.js:570:14)
npm ERR! error installing railway@0.1.7-8 at Array.0 (/usr/local/lib/node_modules/npm/node_modules/slide/lib/bind-actor.js:15:8)
npm ERR! error installing railway@0.1.7-8 at LOOP (/usr/local/lib/node_modules/npm/node_modules/slide/lib/chain.js:15:13)
npm ERR! error installing railway@0.1.7-8 at chain (/usr/local/lib/node_modules/npm/node_modules/slide/lib/chain.js:20:4)
npm ERR! error installing railway@0.1.7-8 at installOne_ (/usr/local/lib/node_modules/npm/lib/install.js:548:3)
npm ERR! error installing railway@0.1.7-8 at installOne (/usr/local/lib/node_modules/npm/lib/install.js:488:3)
npm ERR! error installing railway@0.1.7-8 at /usr/local/lib/node_modules/npm/lib/install.js:425:9
npm ERR! error installing railway@0.1.7-8 at /usr/local/lib/node_modules/npm/node_modules/slide/lib/async-map.js:54:35
npm ERR! error installing railway@0.1.7-8 at Array.forEach (native)
npm ERR! error installing railway@0.1.7-8 at /usr/local/lib/node_modules/npm/node_modules/slide/lib/async-map.js:54:11
npm ERR! Unsupported
npm ERR! Not compatible with your version of node/npm: express@2.4.6
npm ERR! Required: {"node":">= 0.4.1 < 0.5.0"}
npm ERR! Actual: {"npm":"1.0.22","node":"v0.5.3-pre"}
npm ERR!
npm ERR! System Linux 2.6.38-11-generic
npm ERR! command "node" "/usr/local/bin/npm" "install" "railway" "-g"
npm ERR! cwd /home/gezope
npm ERR! node -v v0.5.3-pre
npm ERR! npm -v 1.0.22
...
npm not ok
どんな助けでも大歓迎です!ありがとう