Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Assets\wp_is_serving_rest_request() in /home/fastshot/fastshot.jp/public_html/wp-content/plugins/woocommerce-payments/vendor/automattic/jetpack-assets/src/class-script-data.php:113 Stack trace: #0 /home/fastshot/fastshot.jp/public_html/wp-content/plugins/woocommerce-payments/vendor/automattic/jetpack-assets/src/class-script-data.php(88): Automattic\Jetpack\Assets\Script_Data::is_authenticated_rest_request() #1 /home/fastshot/fastshot.jp/public_html/wp-includes/class-wp-hook.php(324): Automattic\Jetpack\Assets\Script_Data::render_script_data('') #2 /home/fastshot/fastshot.jp/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #3 /home/fastshot/fastshot.jp/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /home/fastshot/fastshot.jp/public_html/wp-includes/script-loader.php(2214): do_action('wp_print_script...') #5 /home/fastshot/fastshot.jp/public_html/wp-includes/class-wp-hook.php(324): wp_print_head_scripts('') #6 /home/fastshot/fastshot.jp/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(Array, Array) #7 /home/fastshot/fastshot.jp/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /home/fastshot/fastshot.jp/public_html/wp-includes/general-template.php(3052): do_action('wp_head') #9 /home/fastshot/fastshot.jp/public_html/wp-content/themes/storefront/header.php(18): wp_head() #10 /home/fastshot/fastshot.jp/public_html/wp-includes/template.php(790): require_once('/home/fastshot/...') #11 /home/fastshot/fastshot.jp/public_html/wp-includes/template.php(725): load_template('/home/fastshot/...', true, Array) #12 /home/fastshot/fastshot.jp/public_html/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #13 /home/fastshot/fastshot.jp/public_html/wp-content/plugins/woocommerce/templates/archive-product.php(20): get_header('shop') #14 /home/fastshot/fastshot.jp/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('/home/fastshot/...') #15 /home/fastshot/fastshot.jp/public_html/wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template('archive-product...') #16 /home/fastshot/fastshot.jp/public_html/wp-includes/template-loader.php(106): include('/home/fastshot/...') #17 /home/fastshot/fastshot.jp/public_html/wp-blog-header.php(19): require_once('/home/fastshot/...') #18 /home/fastshot/fastshot.jp/public_html/index.php(17): require('/home/fastshot/...') #19 {main} thrown in /home/fastshot/fastshot.jp/public_html/wp-content/plugins/woocommerce-payments/vendor/automattic/jetpack-assets/src/class-script-data.php on line 113