Fatal error: Uncaught Error: Class "XMLWriter" not found in /var/www/html/src/Controllers/SitemapController.php:26 Stack trace: #0 [internal function]: App\Controllers\SitemapController->index() #1 /var/www/html/vendor/bramus/router/src/Bramus/Router/Router.php(482): call_user_func_array() #2 /var/www/html/vendor/bramus/router/src/Bramus/Router/Router.php(440): Bramus\Router\Router->invoke() #3 /var/www/html/vendor/bramus/router/src/Bramus/Router/Router.php(287): Bramus\Router\Router->handle() #4 /var/www/html/public/index.php(264): Bramus\Router\Router->run() #5 {main} thrown in /var/www/html/src/Controllers/SitemapController.php on line 26