Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Assets\wp_is_serving_rest_request() in /export/sd215/www/jp/r/e/gmoserver/5/6/sd0968856/watsonband-consulting.com/wordpress-5.8.0-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/wp-tiktok-feed/jetpack_vendor/automattic/jetpack-assets/src/class-script-data.php:113 Stack trace: #0 /export/sd215/www/jp/r/e/gmoserver/5/6/sd0968856/watsonband-consulting.com/wordpress-5.8.0-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/wp-tiktok-feed/jetpack_vendor/automattic/jetpack-assets/src/class-script-data.php(88): Automattic\Jetpack\Assets\Script_Data::is_authenticated_rest_request() #1 /export/sd215/www/jp/r/e/gmoserver/5/6/sd0968856/watsonband-consulting.com/wordpress-5.8.0-ja-jetpack_webfont-undernavicontrol/wp-includes/class-wp-hook.php(307): Automattic\Jetpack\Assets\Script_Data::render_script_data('') #2 /export/sd215/www/jp/r/e/gmoserver/5/6/sd0968856/watsonband-consulting.com/wordpress-5.8.0-ja-jetpack_webfont-undernavicontrol/wp-includes/c in /export/sd215/www/jp/r/e/gmoserver/5/6/sd0968856/watsonband-consulting.com/wordpress-5.8.0-ja-jetpack_webfont-undernavicontrol/wp-content/plugins/wp-tiktok-feed/jetpack_vendor/automattic/jetpack-assets/src/class-script-data.php on line 113