sitemap Sitemap could not be read After redirect to new domain .FUN

hello
sitemap Sitemap could not be read After redirect to new domain .FUN

im use Wordpress Stackpat CDN + W3 Total cach



i add google xml sitemap plugin but same problem
i c'ant add sitemap to google search console
i get this error Sitemap could not be read

the problem also in yoastseo Plugin Sitemap

the problem happen only in new domain

The sitemaps seems to be accessible via a browser,
make sure to send the new sitemaps with the new domain URL