Yes, it's perfetly fine and readbleEnsure your sitemap URL is correct and accessible. If it is correct try to do it again.
Try to submit 2-3 times. Sometimes it shows couldn't fetch in 1-2 attempt but after that It will successfully submitted.Yes, it's perfetly fine and readble
I have uploaded a zip file in cpanel, only not activated WP. Hence, not using any plugin.Just check the SEO plugin you’re using on your site, you’ve to probably enable the sitemap option there.
I did 8-9 times alreadyTry to submit 2-3 times. Sometimes it shows couldn't fetch in 1-2 attempt but after that It will successfully submitted.