Fatal error: Uncaught Error: Call to undefined function feed_content_type() in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250417030026/wp-post-to-pdf-enhanced-cache/feed-rss2-comments.php:8 Stack trace: #0 {main} thrown in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250417030026/wp-post-to-pdf-enhanced-cache/feed-rss2-comments.php on line 8