[Zope-PTK] Error creating a portal

[Ragnar Beer]

I just intalled the PTK but can't create a portal. Whenever I choose 
"portal" from the list an error-message appears with this traceback:

MWp instance at 85a4070

<!--
Traceback (innermost last):
   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 214, in 
publish_module
   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 179, in publish
   File /usr/local/zope/lib/python/Zope/__init__.py, line 202, in 
zpublisher_exception_hook
     (Object: PortalWizard)
   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 167, in publish
   File /usr/local/zope/lib/python/ZPublisher/HTTPResponse.py, line 
299, in setBody
   File /usr/local/zope/lib/python/ZPublisher/HTTPResponse.py, line 
511, in notFoundError
NotFound: (see above)
-->

Can anyone guess what goes wrong?

Ragnar Beer