GuzzleHttp\Exception\ClientException: Error submitting sitemap to https://www.google.com/webmasters/tools/ping?sitemap=https://ixir.gen.tr/sitemap.php: Client error: GET [URL='https://www.google.com/webmasters/tools/ping?sitemap=https%3A%2F%2Fixir.gen.tr%2Fsitemap.php']https://www.google.com/webmasters/tools/ping?sitemap=https://ixir.gen.tr/sitemap.php[/URL] resulted in a 404 Sitemaps ping is deprecated. See [URL='https://developers.google.com/search/blog/2023/06/sitemaps-lastmod-ping']Sitemaps ping endpoint is going away | Google Search Central Blog | Google for Developers[/URL]. response: <HTML> <HEAD> <TITLE>Sitemaps ping is deprecated. See https://developers.google.com/search/blog/2023/06/sitemaps-lastmod (truncated...)...
You yon't have to, but keeping it enabled is useless if you don't have any ping endpoints except Google (now defunct) and Bing (defunct and ignored by XenForo since ~ 2 years).