No menu for editing in Neos 2.0.0 beta 5?

is there a solution to insert the pink zone from beta3 to beta5 ?..

Uncaught exception #1328879703 in line 40 of … /Packages/Framework/TYPO3.Flow/Classes/TYPO3/Flow/I18n/AbstractXmlParser.php: The path “” does not point to an existing and accessible XML file.