Hello,
Thank you for contacting us and sorry for any inconvenience that might have been caused due to this issue.
Can you share the errors you get while trying to access the sitemap? You can use this tool https://imgur.com/upload, to share a screenshot of the issue with us.
Meanwhile, you can go through this knowledgebase of common Sitemap problems and their fixes. Perhaps one of the steps might resolve your issue: https://rankmath.com/kb/fix-sitemap-issues/
Let us know how this goes. Please let us know if you have further questions or concerns.
Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.