While running Yoast sitemap_index.xml getting 404 error.
“_gaq.push([’_trackEvent’, ‘404’, document.location.pathname + document.location.search, document.referrer, 0, true]);”
also follwoing recorder in CP error log.
unable to set sitemap which is default by Yoast.
/public_html/wp-includes/plugin.php on line 213
public_html/wp-includes/plugin.php on line 503