Fatal error: Uncaught Error: Call to undefined function feed_content_type() in /home/FeRRKNG/public_html/szkolazs1mm/wordpress/wp-includes/feed-rss.php:8
Stack trace:
#0 {main}
thrown in /home/FeRRKNG/public_html/szkolazs1mm/wordpress/wp-includes/feed-rss.php on line 8