Fatal error: Uncaught Error: Call to undefined function twenty_twenty_one_can_show_post_thumbnail() in /home/cezarypiatek1990/public_html/testwordpressa/wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-image.php:14 Stack trace: #0 {main} thrown in /home/cezarypiatek1990/public_html/testwordpressa/wp-content/themes/twentytwentyone/template-parts/excerpt/excerpt-image.php on line 14