Hi! Trying to install Sphinx with Restdoc but get this error when trying to view documentation in interactive mode: Fatal error: Class 'Causal\Restdoc\Reader\SphinxJson' not found in /var/www/_typo3/typo3_src-6.2.3/typo3/sysext/core/Classes/Utility/GeneralUtility.php on line 4366 Any ideas? Regards Olle