Fatal error: Uncaught Error: Class "TYPO3\CMS\Core\Utility\GeneralUtility" not found in /var/www/html/cwtypo3/packages/wv_site/Configuration/TCA/Overrides/ContentElements/Container.php:6 Stack trace: #0 /var/www/html/cwtypo3/packages/wv_site/Configuration/TCA/Overrides/ContentElements/Container.php(162): {closure}() #1 {main} thrown in /var/www/html/cwtypo3/packages/wv_site/Configuration/TCA/Overrides/ContentElements/Container.php on line 6