Fatal error: Uncaught TypeError: Argument 1 passed to Shopware\Bundle\SitemapBundle\Struct\Url::__construct() must be of the type string, null given, called in /var/www/web1619/htdocs/shop/custom/plugins/FutiFAQManager/Components/UrlProvider/FaqUrlProvider.php on line 70 and defined in /var/www/web1619/htdocs/shop/engine/Shopware/Bundle/SitemapBundle/Struct/Url.php:55 Stack trace: #0 /var/www/web1619/htdocs/shop/custom/plugins/FutiFAQManager/Components/UrlProvider/FaqUrlProvider.php(70): Shopware\Bundle\SitemapBundle\Struct\Url->__construct() #1 /var/www/web1619/htdocs/shop/engine/Shopware/Bundle/SitemapBundle/Service/SitemapExporter.php(112): FutiFAQManager\Components\UrlProvider\FaqUrlProvider->getUrls() #2 /var/www/web1619/htdocs/shop/engine/Shopware/Bundle/SitemapBundle/Controller/Frontend/SitemapIndexXml.php(84): Shopware\Bundle\SitemapBundle\Service\SitemapExporter->generate() #3 /var/www/web1619/htdocs/shop/engine/Library/Enlight/Controller/Action.php(188): Shopware\Bundle\SitemapBundle\Controller\SitemapIndexXml-> in /var/www/web1619/htdocs/shop/engine/Shopware/Bundle/SitemapBundle/Struct/Url.php on line 55