node.js Unexpected identifier anywhere the file is called

I'm writing an app in node.js and recently i had an unexpected error on all my project.

When i try to call a model in my browser , i always get a

SyntaxError: Unexpected identifier

On any function called in my code .

For example, if i go on "/session/new",

my code is :

app.get('/session/new',function (req,res) {
    res.render('sessions/new',{locals:{
        redir:req.query.redir
    }});
});

and i get an error

SyntaxError: Unexpected identifier
at Object.Function (unknown source)
at Object.render (/usr/local/lib/node/.npm/jade/0.6.3/package/lib/jade.js:267:14)
at ServerResponse.render (/usr/local/lib/node/.npm/express/1.0.7/package/lib/express/view.js:334:22)
at ServerResponse.render (/usr/local/lib/node/.npm/express/1.0.7/package/lib/express/view.js:344:10)
at Object.<anonymous> (/Users/geraudmathe/Desktop/nodemongo/app.js:133:6)
at param (/usr/local/lib/node/.npm/connect/0.5.2/package/lib/connect/middleware/router.js:145:21)
at pass (/usr/local/lib/node/.npm/connect/0.5.2/package/lib/connect/middleware/router.js:161:10)
at Object.router [as handle] (/usr/local/lib/node/.npm/connect/0.5.2/package/lib/connect/middleware/router.js:167:6)
at next (/usr/local/lib/node/.npm/connect/0.5.2/package/lib/connect/index.js:232:23)
at next (/usr/local/lib/node/.npm/connect/0.5.2/package/lib/connect/index.js:234:17)

where /nodemongo/app.js:133:6 is res.render in my code.

It happen no matter what code i call.

I'm lost ...