Fatal error: Uncaught Error: Class "XMLSF\Sitemap" not found in /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-content/plugins/xml-sitemap-feed/inc/class-sitemap-plugin.php:13 Stack trace: #0 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-content/plugins/xml-sitemap-feed/xml-sitemap.php(124): include_once() #1 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-content/plugins/xml-sitemap-feed/inc/class-xmlsitemapfeed.php(190): {closure}('sitemap-plugin') #2 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-content/plugins/xml-sitemap-feed/inc/class-xmlsitemapfeed.php(155): XMLSF\XMLSitemapFeed->get_server('sitemap') #3 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-content/plugins/xml-sitemap-feed/xml-sitemap.php(93): XMLSF\XMLSitemapFeed->__construct() #4 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-includes/class-wp-hook.php(308): xmlsf('') #5 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #6 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-settings.php(486): do_action('plugins_loaded') #8 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-config.php(87): require_once('/srv/users/netw...') #9 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-load.php(50): require_once('/srv/users/netw...') #10 /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-blog-header.php(13): require_once('/srv/users/netw...') #11 /srv/users/network3rduser123/apps/czechchronicle-aws/public/index.php(17): require('/srv/users/netw...') #12 {main} thrown in /srv/users/network3rduser123/apps/czechchronicle-aws/public/wp-content/plugins/xml-sitemap-feed/inc/class-sitemap-plugin.php on line 13