Alguém pode me ajudar com esse erro?
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 26, in _call Module Products.CMFFormController.FormController, line 376, in validate Module ZPublisher.mapply, line 88, in mapply Module ZPublisher.Publish, line 41, in call_object Module Products.CMFFormController.FSControllerValidator, line 58, in __call__ Module Products.CMFFormController.Script, line 145, in __call__ Module Products.CMFCore.FSPythonScript, line 108, in __call__ Module Shared.DC.Scripts.Bindings, line 311, in __call__ Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec Module Products.CMFCore.FSPythonScript, line 164, in _exec Module None, line 8, in validate_subscriber_edit - <FSControllerValidator at /site/validate_subscriber_edit used for /site/newsletters/newslettertheme.2007-08-29.3114636016/Inscritos/subscriber.2007-08-29.5934788564> - Line 8 Module Products.PloneGazette.Subscriber, line 156, in checkMailAddress Module Products.PloneGazette.PNLUtils, line 11, in checkMailAddress Module Products.CMFPlone.PloneTool, line 189, in validateSingleEmailAddress AttributeError: validateSingleEmailAddress