Erro: require.paths é removido. Use as pastas node_modules ou a variável de ambiente NODE_PATH

Acabei de instalar recentemente o Node.js e agora estou tentando executar um script simples, mas recebo a seguinte mensagem de erro:

Error: require.paths is removed. Use node_modules folders, or the NODE_PATH environment variable instead.
    at Function.<anonymous> (module.js:383:11)
    at Object.<anonymous> (/home/shawn/.node_libraries/[email protected]/index.js:4:21)
    at Module._compile (module.js:446:26)
    at Object..js (module.js:464:10)
    at Module.load (module.js:353:31)
    at Function._load (module.js:311:12)
    at Module.require (module.js:359:17)
    at require (module.js:375:17)
    at Object.<anonymous> (/home/shawn/Documents/Projets/jsonpExchange/server.js:1:77)
    at Module._compile (module.js:446:26)

O que significa e como posso resolvê-lo?

ATUALIZAR:

$ node -v

v0.6.19

$ npm install express

npm http GET https://registry.npmjs.org/express
npm http 304 https://registry.npmjs.org/express
npm http GET https://registry.npmjs.org/mkdirp/0.3.0
npm http GET https://registry.npmjs.org/qs
npm http GET https://registry.npmjs.org/connect
npm http GET https://registry.npmjs.org/mime/1.2.4
npm http 304 https://registry.npmjs.org/mkdirp/0.3.0
npm http 304 https://registry.npmjs.org/connect
npm http 304 https://registry.npmjs.org/qs
npm http 304 https://registry.npmjs.org/mime/1.2.4
npm http GET https://registry.npmjs.org/formidable
npm http 304 https://registry.npmjs.org/formidable
[email protected] ./node_modules/express
├── [email protected]
├── [email protected]
├── [email protected]
└── [email protected] ([email protected])

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