klee@gonzales ~/public_html/maschinenrichtlinie (task/composer-updates)$ ddev typo3 cache:flush
PHP Fatal error: Declaration of OliverKlee\Seminars\Rendering\NullRenderingContext::getAttribute(string $name): ?object must be compatible with TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface::getAttribute(string $className): object in /var/www/html/vendor/oliverklee/seminars/Classes/Rendering/NullRenderingContext.php on line 212
Fatal error: Declaration of OliverKlee\Seminars\Rendering\NullRenderingContext::getAttribute(string $name): ?object must be compatible with TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface::getAttribute(string $className): object in /var/www/html/vendor/oliverklee/seminars/Classes/Rendering/NullRenderingContext.php on line 212
Failed to run typo3 cache:flush: exit status 255