Fatal error: Uncaught Error: Class "TYPO3\CMS\Core\Utility\GeneralUtility" not found in /var/www/html/dev.hallescherfc.de/vendor/friendsoftypo3/content-blocks/Configuration/TCA/Overrides/content_blocks.php:10 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/friendsoftypo3/content-blocks/Configuration/TCA/Overrides/content_blocks.php on line 10