Fatal error: Uncaught Error: Call to undefined function language_attributes() in /home/antenaserwis/public_html/satserwis/wp-content/themes/twentytwentyone/header.php:16
Stack trace:
#0 {main}
thrown in /home/antenaserwis/public_html/satserwis/wp-content/themes/twentytwentyone/header.php on line 16