I configured the sitemap configurations to update automatic my sitemap.xml and then I generated a sitemap via admin panel, as you can see below:

[![Magento2 Sitemap XML blank](https://i.stack.imgur.com/k4MrK.jpg)](https://i.stack.imgur.com/k4MrK.jpg)

My Sitemap:

[![Magento2 Sitemap XML](https://i.stack.imgur.com/XwANU.png)](https://i.stack.imgur.com/XwANU.png)

How to solve it?