Не работает AjaxForm modx

[[!AjaxForm?  
&form=`contact_form`  
&snippet=`FormIt`  
&hooks=`FormitSaveForm,email` 
&emailSubject=`Сообщение с нашего сайта` 
&emailTo=`veterangrupp@mail.ru` 
&emailFrom=`veterangrupp@mail.ru` 
&emailTpl=`tpl.email` 
&validate=`name:minLength=^2^,email:email:required,message:minLength=^10^,g-recaptcha-response:required` 
&validationErrorMessage=`В форме содержатся ошибки!` 
&successMessage=`Сообщение успешно отправлено` 
]] 
 
 
<form action="" method="post" class="ajax_form af_example"> 
 
    <div class="form-group"> 
        <label class="control-label" for="af_name">[[%af_label_name]]</label> 
        <div class="controls"> 
            <input type="text" id="af_name" name="name" value="[[+fi.name]]" placeholder="" class="form-control"/> 
            <span class="error_name">[[+fi.error.name]]</span> 
        </div> 
    </div> 
 
    <div class="form-group"> 
        <label class="control-label" for="af_email">[[%af_label_email]]</label> 
        <div class="controls"> 
            <input type="email" id="af_email" name="email" value="[[+fi.email]]" placeholder="" class="form-control"/> 
            <span class="error_email">[[+fi.error.email]]</span> 
        </div> 
    </div> 
 
    <div class="form-group"> 
        <label class="control-label" for="af_message">[[%af_label_message]]</label> 
        <div class="controls"> 
            <textarea id="af_message" name="message" class="form-control" rows="5">[[+fi.message]]</textarea> 
            <span class="error_message">[[+fi.error.message]]</span> 
        </div> 
    </div> 
 
    <div class="form-group"> 
        <div class="controls"> 
            <button type="reset" class="btn btn-default">[[%af_reset]]</button> 
            <button type="submit" class="btn btn-primary">[[%af_submit]]</button> 
        </div> 
    </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> 
 
<h3>Сообщение</h3> 
<p>С Сайта: [[++site_name]]</p> 
<p>От кого: [[+name]]</p> 
<p>E-mail: [[+email]]</p> 
<p>Сообщение: [[+message]]</p>