Fatal error: Uncaught TypeError: Manuxi\SuluNewsBundle\Sitemap\NewsSitemapProvider::getLocaleByHost(): Return value must be of type string, null returned in /var/www/clients/client11/web877/web/sulu/vendor/manuxi/sulu-news-bundle/src/Sitemap/NewsSitemapProvider.php:66 Stack trace: #0 /var/www/clients/client11/web877/web/sulu/vendor/manuxi/sulu-news-bundle/src/Sitemap/NewsSitemapProvider.php(51): Manuxi\SuluNewsBundle\Sitemap\NewsSitemapProvider->getLocaleByHost() #1 /var/www/clients/client11/web877/web/sulu/vendor/manuxi/sulu-news-bundle/src/Sitemap/NewsSitemapProvider.php(41): Manuxi\SuluNewsBundle\Sitemap\NewsSitemapProvider->getMaxPage() #2 /var/www/clients/client11/web877/web/sulu/vendor/sulu/sulu/src/Sulu/Bundle/WebsiteBundle/Sitemap/SitemapProviderPool.php(71): Manuxi\SuluNewsBundle\Sitemap\NewsSitemapProvider->createSitemap() #3 /var/www/clients/client11/web877/web/sulu/vendor/sulu/sulu/src/Sulu/Bundle/WebsiteBundle/Sitemap/XmlSitemapRenderer.php(95): Sulu\Bundle\WebsiteBundle\Sitemap\SitemapProviderPool->getIndex() #4 /var/www/clients/client11/web877/web/sulu/vendor/sulu/sulu/src/Sulu/Bundle/WebsiteBundle/Sitemap/XmlSitemapRenderer.php(41): Sulu\Bundle\WebsiteBundle\Sitemap\XmlSitemapRenderer->needsIndex() #5 /var/www/clients/client11/web877/web/sulu/vendor/sulu/sulu/src/Sulu/Bundle/WebsiteBundle/Controller/SitemapController.php(95): Sulu\Bundle\WebsiteBundle\Sitemap\XmlSitemapRenderer->renderIndex() #6 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpKernel.php(181): Sulu\Bundle\WebsiteBundle\Controller\SitemapController->indexAction() #7 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw() #8 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/Kernel.php(220): Symfony\Component\HttpKernel\HttpKernel->handle() #9 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(86): Symfony\Component\HttpKernel\Kernel->handle() #10 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpCache/HttpCache.php(497): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #11 /var/www/clients/client11/web877/web/sulu/vendor/symfony/framework-bundle/HttpCache/HttpCache.php(68): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward() #12 /var/www/clients/client11/web877/web/sulu/vendor/friendsofsymfony/http-cache/src/SymfonyCache/EventDispatchingHttpCache.php(138): Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache->forward() #13 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpCache/HttpCache.php(472): Sulu\Bundle\HttpCacheBundle\Cache\SuluHttpCache->forward() #14 /var/www/clients/client11/web877/web/sulu/vendor/sulu/sulu/src/Sulu/Bundle/HttpCacheBundle/Cache/SuluHttpCache.php(91): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch() #15 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpCache/HttpCache.php(370): Sulu\Bundle\HttpCacheBundle\Cache\SuluHttpCache->fetch() #16 /var/www/clients/client11/web877/web/sulu/vendor/symfony/http-kernel/HttpCache/HttpCache.php(234): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup() #17 /var/www/clients/client11/web877/web/sulu/vendor/friendsofsymfony/http-cache/src/SymfonyCache/EventDispatchingHttpCache.php(96): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #18 /var/www/clients/client11/web877/web/sulu/public/index.php(75): Sulu\Bundle\HttpCacheBundle\Cache\SuluHttpCache->handle() #19 {main} thrown in /var/www/clients/client11/web877/web/sulu/vendor/manuxi/sulu-news-bundle/src/Sitemap/NewsSitemapProvider.php on line 66