Fatal error: Uncaught Error: Call to undefined method WP_Scripts::add_data() in /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/script-loader.php:917
Stack trace:
#0 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/class-wp-hook.php(292): wp_default_scripts(Object(WP_Scripts))
#1 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters('', Array)
#2 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/plugin.php(551): WP_Hook->do_action(Array)
#3 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/class.wp-scripts.php(167): do_action_ref_array('wp_default_scri...', Array)
#4 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/class.wp-scripts.php(142): WP_Scripts->init()
#5 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/functions.wp-scripts.php(24): WP_Scripts->__construct()
#6 /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/functions.wp-scripts.php(147): wp_scripts()
#7 in /home/customer/www/rhetorik-mit-hall.de/public_html/wp-includes/script-loader.php on line 917