Error

app.coffee

app.post '/sign-up', (req, res) ->
  User.create
    email: req.body.email,
    domain: req.body.domain + '.foilr.com'
  .success (user) ->
    user.setPassword req.body.password, ->
      user.save()
      .success ->
        res.redirect '/login'
      .error (err) ->
        res.end err.toString(), 500
  .error (err) ->
    res.end err.toString(), 500

gistfile1.js

{ [error: null value in column "id" violates not-null constraint]
  length: 110,
  name: 'error',
  severity: 'ERROR',
  code: '23502',
  detail: undefined,
  hint: undefined,
  position: undefined,
  internalPosition: undefined,
  internalQuery: undefined,
  where: undefined,
  file: 'execMain.c',
  line: '1569',
  routine: 'ExecConstraints' }