Fatal error: Uncaught Error: Call to undefined function add_shortcode() in /home/zadanie333/public_html/zadaniexynl/wypozyczalnia/wp-includes/media.php:2167
Stack trace:
#0 {main}
thrown in /home/zadanie333/public_html/zadaniexynl/wypozyczalnia/wp-includes/media.php on line 2167