Sitemap Error

This error typically means something in your WordPress install is outputting white space and it shouldn’t. Running a conflict check is the fastest way to locate what is causing the issue.

If you are unfamiliar with checking for conflicts, we wrote a small guide that will walk you through the steps. You can find it here: How To Check For Plugin Conflicts

Please refer to this knowledge base article: https://kb.yoast.com/article/58-xml-sitemap-error

I suggest to look at the function.php of your theme, in some case if there are some empty line at the end cause the error mentioned above.

Thank’s Cellos works for me ??

disable Content Protector plugin your problem is solved