my sitemap isnt ok, i have to load and after it disappears

Hello,

Thank you for contacting Rank Math support and we apologize for the inconvenience.

We just checked your sitemap and we can see that it is working fine without any issues:

Can you confirm what error you see when the sitemap isn’t working? In any case, please try following these steps to make sure the issue does not happen again.

• Reset your WordPress permalinks by going to WordPress Dashboard > Settings > Permalinks and clicking Save Changes without making any changes.
• Regenerate your sitemap by going to Rank Math > Sitemap Settings, changing the Link per Sitemap to 201 or anything else, and then clicking Save Changes. You can change it later, this is just to regenerate your sitemap. You can follow this screencast: https://i.rankmath.com/pipRDp
• Exclude the Sitemap files of the Rank Math plugin in your caching plugin. The cache could be via a plugin or from the server. For plugins or Cloudflare, please follow this article:
  https://rankmath.com/kb/exclude-sitemaps-from-caching/
• To make sure your sitemap gets updated immediately, add the following code to your site:

  /**
   * Filter if XML sitemap transient cache is enabled.
   *
   * @param boolean $unsigned Enable cache or not, defaults to true
   */
  add_filter( 'rank_math/sitemap/enable_caching', '__return_false');

  You can learn how to add this code to your website here: https://rankmath.com/kb/wordpress-hooks-actions-filters/

If none of these steps resolve the issue, please let us know and provide us with your WordPress login details and FTP access in the Sensitive Data section so we can take a closer look.

We hope this helps. Please let us know if you have any questions or concerns.