Fatal error: Uncaught Error: Class 'WP_Theme_JSON_Schema' not found in /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/class-wp-theme-json.php:403 Stack trace: #0 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/class-wp-theme-json-resolver.php(382): WP_Theme_JSON->__construct() #1 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/script-loader.php(3076): WP_Theme_JSON_Resolver::get_merged_data() #2 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/script-loader.php(3272): {closure}() #3 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/class-wp-hook.php(307): {closure}('') #4 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #5 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #6 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-settings.php(600): do_action('wp_loaded') #7 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-config.php(91): require_once('/mnt/hosting/mn...') #8 /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-load.php( in /mnt/hosting/mntrs/mnt_vss/vss.ru/html/wp-includes/class-wp-theme-json.php on line 403