Fatal error: Uncaught Error: Call to undefined function elegant_magazine_post_thumbnail() in /home/theinsightpartne/public_html/blog/wp-content/themes/elegant-magazine/inc/hooks/blocks/block-post-header.php:10 Stack trace: #0 {main} thrown in /home/theinsightpartne/public_html/blog/wp-content/themes/elegant-magazine/inc/hooks/blocks/block-post-header.php on line 10