I intalled typo3 neos and changed the layout "For this page only" to LandingPage. Afterwards I saw this error
Exception while rendering
landingPage:
No "landingPage" TypoScript object found. Please make sure to define one in your TypoScript configuration. (20140116115503dac096)
How can I fix this?
Open [...]Sites/Your.Package/Resources/Private/TypoScript/Library/Roots.ts2 and add the following code:
Now the UI should load again.