[Zope] How to import a .zexp file correctly...

Hi, I tried to import a .zexp file correctly but when I viewed the plone site I've got the error below: Error Type: Not Found Error Value: document_view Also when I use the ZMI I can see some object without icon but there is a big text replacing it: It's the case for PloneFolder and Document. It's like some type are not recongnize... Product version from PC source is: (Plone installed from a Ingeniweb CDROM to Windows Xp) - Zope 2.6.1 - Python 2.1.3 - Plone 1.0.1 - CMF 1.3.1 Product version for PC destination is: (Plone installed to RedHat 9.0) - Zope 2.6.1 - Python 2.1.3 - Plone 1.0.1 - CMF 1.3.1 I think something is missed, but what and where I don't know ? Please help me... Thanks. Patrick Gelin