[Zope] QSurvey 0.23 and Zope 2.2.1b

Hello, Just installed Z2.2.1b, successfully imported some products but when trying to import QSurvey 0.23 got the message: ================================================ Zope Error Zope has encountered an error while publishing this resource. Error Type: Permission mapping error Error Value: Attempted to map a permission to a permission, Add QSurveyResultsItems, that is not valid. This should never happen. (Waaa). ================================================ Any suggestions? Best regards, Alexander N. Chelnokov Ural Scientific Institute of Traumatology and Orthopaedics str.Bankovsky, 7. Ekaterinburg 620014 Russia ICQ: 25640913