Aldığım hata;

Kodlar ;
<?php$servername = "localhost";$username = "xx";$password = "xx";$dbname = "xx";$conn = new mysqli($servername, $username, $password, $dbname);$sql = "SELECT * FROM aa_link";$result = $conn->query($sql);?> <?php header('Content-type: application/xml; ',true); ?> <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"> <?php while($row = $result->fetch_assoc()) { ?> <url> <loc><?php echo 'https://aa.com'.$row["aa_link"]; ?></loc>********<changefreq>weekly</changefreq> <priority>0.7</priority> </url> <?php } ?> </urlset>

