Sitemap error, need your help

Hello guys, anyone had this error on sitemap?
Or
HTTP Error:
404

I Trying to fix it but cant. Please help me...

If your website is on Wordpress, and you use rank math, take a look at this: https://rankmath.com/kb/incorrect-http-header-content-type-sitemap-error/

If not, PM me with some more info about your site (your website url as well) and I'll take a look and help you out (for free, of course)

Cheers!