Проблема с FormIt

{'!AjaxForm' | snippet:[
                'snippet' => 'FormIt',
                'form' => '@FILE chunks/contacts/contactFormItem.tpl',
                'emailTpl' => '@FILE chunks/contacts/mailContacts.tpl',
                'hooks' => 'email',
                'emailSubject' => 'Обратная связь ' ~ $_modx->config.site_name,
                'emailFrom' => 'admin@site.com',
                'emailFromName' => 'admin',
                'emailTo' => 'myemail@gmail.com',
                'validationErrorMessage' => 'Пожалуйста, исправьте ошибки!',
                'successMessage' => 'Ваше сообщение успешно отправлено',
                'submitVar'=>'sendOrder'
                ]}

<form action="" method="POST" class="ajax_form af_example">
    <fieldset class="margin-bottom-md">
      <div class="margin-bottom-sm">
        <div class="grid grid-gap-sm">
          <div class="col-6@md">
            <label class="form-label margin-bottom-xxs" for="af_name">Имя</label>
            <input class="form-control width-100%" type="text" id="af_name" name="name" value="" required>
            <span class="error_name"></span>
          </div>
      
          <div class="col-6@md">
            <label class="form-label margin-bottom-xxs" for="af_email">Email</label>
            <input class="form-control width-100%" type="email" id="af_email" name="email" value="" placeholder="[[%af_label_email]]" required>
          </div>
        </div>
      </div>              
      <div>
        <label class="form-label margin-bottom-xxs" for="af_message">Сообщение</label>
        <textarea class="form-control width-100%" id="af_message" name="message"></textarea>
      </div>
    </fieldset>
    <div>
      <button type="submit" name="sendOrder" class="btn btn--primary">Отправить</button>
    </div>

    [[+fi.success:is=`1`:then=`
    <div class="alert alert-success">[[+fi.successMessage]]</div>
    `]]
    [[+fi.validation_error:is=`1`:then=`
    <div class="alert alert-danger">[[+fi.validation_error_message]]</div>
    `]]
  </form>

<p><b>Имя:</b> [[+name]]</p>
<p><b>Email:</b> [[+email]]</p>
<p><b>Текст сообщения:</b></p>
<p>[[+message]]</p>