Fatal error: Uncaught Error: Call to undefined function wp_is_serving_rest_request() in /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-content/plugins/contact-form-7/includes/submission.php:54 Stack trace: #0 /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-content/plugins/contact-form-7/includes/controller.php(17): WPCF7_Submission::is_restful() #1 /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-includes/class-wp-hook.php(290): wpcf7_control_init() #2 /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #3 /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-includes/plugin.php(551): WP_Hook->do_action(Array) #4 /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-includes/class-wp.php(388): do_action_ref_array('parse_request', Array) #5 /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-includes/class-wp.php(750): WP->parse_request('') #6 /home/perihumo/public in /home/perihumo/public_html/asul.biz/learn-spanish-costa-rica/wp-content/plugins/contact-form-7/includes/submission.php on line 54