Fatal error: Uncaught Error: Call to undefined function wp_reset_vars() in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/gravitysleep/wp-admin/options-head.php:11
Stack trace:
#0 {main}
thrown in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/gravitysleep/wp-admin/options-head.php on line 11