how to replace cannot get with 404 error

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Claudia
16 Aug 2017
1app.use(function(req, res, next){
2  res.status(404);
3
4  // respond with html page
5  if (req.accepts('html')) {
6    res.render('404', { url: req.url });
7    return;
8  }
9
10  // respond with json
11  if (req.accepts('json')) {
12    res.send({ error: 'Not found' });
13    return;
14  }
15
16  // default to plain-text. send()
17  res.type('txt').send('Not found');
18});
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