Fatal error: Uncaught Error: Call to undefined function post_class() in /home/qwerasd1234/public_html/tom-test/wp-includes/theme-compat/embed-content.php:13 Stack trace: #0 {main} thrown in /home/qwerasd1234/public_html/tom-test/wp-includes/theme-compat/embed-content.php on line 13