Answered Formit stopped working

[[!FormIt?
&hooks=`spam,email,redirect,FormItAutoResponder`
&submitVar=`contactForm-submit`
&emailTpl=`form-contact-sentEmailTpl`
&emailSubject=`Een bericht van [[+contact_name]]`
&emailTo=`[email protected]`
&validate=`
      workemail:blank,
      contact_name:required:minLength=`2`,
      email:email:required,
      contact_telefoon:required,
      contact_message:required`
&redirectTo=`39`
&fiarTpl=`form-contact-autoResponse`
&fiarSubject=`Je bericht`
&fiarToField=`email`
&fiarFrom=`[email protected]`
&fiarFromName=`Afzendernaam`
]][[+fi.error.error_message]]

<form id="contactForm" class="cmxform" method="post" action="[[~[[*id]]]]">
<input type="hidden" name="contactForm-submit">
<input type="hidden" name="workemail" value="" />
[[!+fi.validation_error_message:notempty=`
<div class="error">
    <strong>Het invullen van het formulier ging niet goed. Controleer de velden.</strong>
</div>`]]
<div class="form-group required">
<label for="contact_name" class="control-label">Naam: *<br />
<input type="text" id="contact_name" name="contact_name" class="required form-control" value="[[!+fi.contact_name]]" /> [[!+fi.error.contact_name]]</label> 
</div>
<div class="form-group">
<label for="contact_telefoon" class="control-label">Telefoonnummer: </label> *<br />
<input type="tel" id="contact_telefoon" name="contact_telefoon" class="form-control"  size="11" value="[[!+fi.contact_telefoon]]" /> [[!+fi.error.contact_telefoon]]
</div>
<div class="form-group">
<label for="email" class="control-label">E-mailadres: </label> *<br />
<input type="email" id="email" name="email" class="email form-control" value="[[!+fi.email]]" /> [[!+fi.error.email]]
</div>
<div class="form-group required">
  <label for="contact_message" class="control-label">Je vraag of bericht: [[!+fi.error.contact_message:notempty=`<br />[[!+fi.error.contact_message]]`]]</label> *<br />
  <textarea id="contact_message" name="contact_message" rows="7" class="form-control"></textarea>
</div>
<div class="form-buttons">
    <input name="contactForm-submit" class="submit btn btn-primary" type="submit" value="Verzenden"/>
</div>
</form>