[Neos] Set default language frontend

[Patric Eckhart]

Hey Carsten,

Frontent works fine with /de and /en.
Backend show Page not found.

I have run
/flow node:migrate 20140326143834
and flushed the cache

Can you help me again?

My Settings.yaml
TYPO3:
  TYPO3CR:
    contentDimensions:
      'language':
        label: 'Language'
        icon: 'icon-language'
        default: 'de'
        defaultPreset: 'de'
        presets:
          'en':
            label: 'English'
            values: ['en_US']
            uriSegment: 'en'
          'de':
            label: 'Deutsch'
            values: ['de', 'en_US']
            uriSegment: 'de'