Fatal error: Uncaught Error: Call to undefined function wp_is_json_request() in /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-content/plugins/cookie-notice/includes/frontend.php:33 Stack trace: #0 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-content/plugins/cookie-notice/includes/frontend.php(52): Cookie_Notice_Frontend->is_preview_mode() #1 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-includes/class-wp-hook.php(286): Cookie_Notice_Frontend->init('') #2 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #3 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-settings.php(450): do_action('init') #5 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-config.php(90): require_once('/usr/www/users/...') #6 /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-load.php(37): require_once('/usr/www/users/...') #7 /usr/www/users/bdgdjd/hoys in /usr/www/users/bdgdjd/hoyschrecke_2020/wordpress/wp-content/plugins/cookie-notice/includes/frontend.php on line 33