Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
There is an error on your sitemap file that suggests that there is a conflict with one of your installed plugins. Please perform the diagnostic steps described on this page and let me know if the issue can be reproduced when your installed plugins are deactivated: https://rankmath.com/kb/check-plugin-conflicts/
Looking forward to helping you. 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.
