Fatal error: Uncaught Error: Interface "TYPO3\CMS\Core\Security\ContentSecurityPolicy\SourceInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Security/ContentSecurityPolicy/RawValue.php:26 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Security/ContentSecurityPolicy/RawValue.php on line 26