Fatal error: Uncaught Error: Interface "TYPO3\CMS\Lowlevel\ConfigurationModuleProvider\ProviderInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-lowlevel/Documentation/BackendModules/_codesnippets/_MyProvider.php:9 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-lowlevel/Documentation/BackendModules/_codesnippets/_MyProvider.php on line 9