Fatal error: Uncaught Error: Call to undefined function has_nav_menu() in /home/FeRRKNG/public_html/szkolazs1mm/wordpress/wp-content/themes/twentytwentyone/template-parts/header/site-nav.php:12
Stack trace:
#0 {main}
thrown in /home/FeRRKNG/public_html/szkolazs1mm/wordpress/wp-content/themes/twentytwentyone/template-parts/header/site-nav.php on line 12