Fatal error: Uncaught Error: Call to undefined function add_theme_support() in /usr/home/bmserwer1/domains/paniburger.pl/public_html/wp-includes/block-patterns.php:9 Stack trace: #0 {main} thrown in /usr/home/bmserwer1/domains/paniburger.pl/public_html/wp-includes/block-patterns.php on line 9