[Zope] No module named PerlExternalMethod

Hi List, I have a Problem during the Import of the ZopeObjects in my new Zope! Old Version: Zope 2.1.6-26 New Version: Zope 2.8.4 I select the File from /opt/zope/import Directory and press Import, then ive got an Error Request! ### Site Error An error was encountered while publishing this resource. Error Type: ImportError Error Value: No module named PerlExternalMethod ### In Products the ExternalMethod is available!!! Root Folder > Control_Panel > Products: the Product: ExternalMethod is installed... Product at /Control_Panel/Products/ExternalMethod Can anyone Help? Greetz Raphi -- "Feel free" – 10 GB Mailbox, 100 FreeSMS/Monat ... Jetzt GMX TopMail testen: http://www.gmx.net/de/go/topmail