Fatal error: Uncaught Error: Class "TYPO3\CMS\Core\Utility\ExtensionManagementUtility" not found in /var/www/html/dev.hallescherfc.de/vendor/in2code/femanager/Configuration/TCA/Overrides/fe_users.php:118 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/in2code/femanager/Configuration/TCA/Overrides/fe_users.php on line 118