Erreur du site

Le site a rencontré une erreur en essayant de répondre à votre demande :

Type de l'erreur
    UnicodeEncodeError
Valeur de l'erreur
    'ascii' codec can't encode character u'\xe9' in position 27: ordinal not in range(128)
Requête envoyée au serveur le
    2007/01/29 11:15:31.784 GMT+1 

Traceback (innermost last):
  Module ZPublisher.Publish, line 115, in publish
  Module ZPublisher.mapply, line 88, in mapply
  Module ZPublisher.Publish, line 41, in call_object
  Module Products.CMFFormController.FSControllerPageTemplate, line 90, in __call__
  Module Products.CMFFormController.BaseControllerPageTemplate, line 28, in _call
  Module Products.CMFFormController.ControllerBase, line 232, in getNext
   - __traceback_info__: ['id = Newsletter_editForm', 'status = success', 'button=Save', 'errors={}', 'context=<Newsletter at newsletter.2007-01-29.4815417001>', 'kwargs={}', 'next_action=None', '']
  Module Products.CMFFormController.Actions.TraverseTo, line 38, in __call__
  Module ZPublisher.mapply, line 88, in mapply
  Module ZPublisher.Publish, line 41, in call_object
  Module Products.CMFFormController.FSControllerPythonScript, line 106, in __call__
  Module Products.CMFFormController.ControllerBase, line 232, in getNext
   - __traceback_info__: ['id = Newsletter_edit', 'status = success', 'button=Save', 'errors={}', 'context=<Newsletter at newsletter.2007-01-29.4815417001>', 'kwargs={\'portal_status_message\': u"Lettre d\'information modifi\\xe9e"}', 'next_action=None', '']
  Module Products.CMFFormController.Actions.RedirectToAction, line 49, in __call__
  Module Products.CMFFormController.Actions.RedirectTo, line 18, in __call__
  Module Products.CMFFormController.Actions.BaseFormAction, line 130, in updateQuery
  Module ZTUtils.Zope, line 181, in make_query
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 27: ordinal not in range(128)