Fatal error: Uncaught Error: Call to undefined function wp_is_serving_rest_request() in /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-content/plugins/contact-form-7/includes/submission.php:54 Stack trace: #0 /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-content/plugins/contact-form-7/includes/controller.php(17): WPCF7_Submission::is_restful() #1 /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-includes/class-wp-hook.php(306): wpcf7_control_init() #2 /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #3 /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #4 /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-includes/class-wp.php(399): do_action_ref_array('parse_request', Array) #5 /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-includes/class-wp.php(780): WP->parse_request( in /export/sd212/www/jp/r/e/gmoserver/6/5/sd0913065/livwrx.co.jp/wp/wp-content/plugins/contact-form-7/includes/submission.php on line 54