Title: 500 Internal Server error when submit form
Last modified: July 29, 2020

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# 500 Internal Server error when submit form

 *  [Ulises Nicolini](https://wordpress.org/support/users/ulyssesplus/)
 * (@ulyssesplus)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/500-internal-server-error-when-submit-form/)
 * Hello, i have a problem when i send a message from a “contact form 7” made form,
   y get a 500 Internal Server Error.
 * WordPress 5.4.2
    CF7 Versión 5.2
 * All wordpress work fine!
 * Request URL: [https://coopeserdlg.com.ar/wp-json/contact-form-7/v1/contact-forms/79/feedback](https://coopeserdlg.com.ar/wp-json/contact-form-7/v1/contact-forms/79/feedback)
   
   Status Code: 500 Internal Server Error
 * Response:
    {“code”:”internal_server_error”,”message”:”<p>Ha habido un error cr\
   u00edtico en tu sitio.<\/p><p>[Aprende m\u00e1s sobre la depuraci\u00f3n en WordPress.<\/a><\/p>”,”data”:{“status”:500},”additional_errors”:[]}](https://wordpress.org/support/topic/500-internal-server-error-when-submit-form/\/\/wordpress.org\/support\/article\/debugging-in-wordpress\/?output_format=md)
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2F500-internal-server-error-when-submit-form%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Thread Starter [Ulises Nicolini](https://wordpress.org/support/users/ulyssesplus/)
 * (@ulyssesplus)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/500-internal-server-error-when-submit-form/#post-13187959)
 * Well, before search and debug code, i found the problem at wp_mail core wordpress
   function.
 * [https://core.trac.wordpress.org/browser/tags/5.4/src/wp-includes/pluggable.php#L170](https://core.trac.wordpress.org/browser/tags/5.4/src/wp-includes/pluggable.php#L170)
 * At line 216, get an error “could not instantiate phpmailer” ¿Cant’ find the previus
   require?
 * $phpmailer = new PHPMailer( true );
 * Then i remove all phpmailer reference and use this simple code.
 * $header = ‘From: ‘ .$from_email. “\r\n” .
    ‘Reply-To: ‘.$from_email . “\r\n” .‘
   X-Mailer: PHP/’ . phpversion(); return mail($to,$subject,$message,$header);
 *  Plugin Author [Takayuki Miyoshi](https://wordpress.org/support/users/takayukister/)
 * (@takayukister)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/500-internal-server-error-when-submit-form/#post-13187962)
 * What other plugins and theme do you use on the site?
 *  Thread Starter [Ulises Nicolini](https://wordpress.org/support/users/ulyssesplus/)
 * (@ulyssesplus)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/500-internal-server-error-when-submit-form/#post-13187974)
 * Only Updraft Plus, is a very simple site! The wp_mail function have some trouble.
   I dont understand, the files ‘class-phpmailer.php’ and ‘class-smtp.php’ are in
   correct path, but the execution hang at ‘new PHPMailer’. ¡?
 * require_once ABSPATH . WPINC . ‘/class-phpmailer.php’;
    require_once ABSPATH .
   WPINC . ‘/class-smtp.php’;
 * $phpmailer = new PHPMailer( true );

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘500 Internal Server error when submit form’ is closed to new replies.

 * ![](https://ps.w.org/contact-form-7/assets/icon.svg?rev=2339255)
 * [Contact Form 7](https://wordpress.org/plugins/contact-form-7/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/contact-form-7/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/contact-form-7/)
 * [Active Topics](https://wordpress.org/support/plugin/contact-form-7/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/contact-form-7/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/contact-form-7/reviews/)

 * 3 replies
 * 2 participants
 * Last reply from: [Ulises Nicolini](https://wordpress.org/support/users/ulyssesplus/)
 * Last activity: [5 years, 10 months ago](https://wordpress.org/support/topic/500-internal-server-error-when-submit-form/#post-13187974)
 * Status: not resolved