Hi there,
I created a 4.1a3 buildout and added all needed products, of which I had to 
adapt some to be able to start at all.
Then I copied the data.fs of a 3.5x site.

Now in the ZMI, when I want to navigate to the plone 3.5 folder I get the 
following error:

What can I do to fix that?
Do I have to prepare the Data.fs somehow?

thanks
robert

2011-03-02 11:57:55 ERROR Zope.SiteErrorLog 1299063475.730.425785426825 
http://localhost:8481/focus/focus
Traceback (innermost last):
   Module ZPublisher.Publish, line 115, in publish
   Module ZPublisher.BaseRequest, line 437, in traverse
   Module ZPublisher.BeforeTraverse, line 97, in __call__
   Module Products.CMFCore.PortalObject, line 78, in 
__before_publishing_traverse__
   Module zope.event, line 23, in notify
   Module zope.component.event, line 24, in dispatch
   Module zope.component._api, line 136, in subscribers
   Module zope.component.registry, line 321, in subscribers
   Module zope.interface.adapter, line 585, in subscribers
   Module zope.component.event, line 32, in objectEventNotify
   Module zope.component._api, line 136, in subscribers
   Module zope.component.registry, line 321, in subscribers
   Module zope.interface.adapter, line 585, in subscribers
   Module plone.browserlayer.layer, line 14, in mark_layer
   Module zope.component._api, line 179, in getAllUtilitiesRegisteredFor
   Module zope.component.registry, line 176, in getAllUtilitiesRegisteredFor
   Module ZODB.Connection, line 859, in setstate
   Module ZODB.Connection, line 913, in _setstate
   Module ZODB.serialize, line 613, in setGhostState
   Module zope.component.persistentregistry, line 40, in __setstate__
   Module zope.interface.adapter, line 91, in _createLookup
   Module zope.interface.adapter, line 439, in __init__
   Module zope.interface.adapter, line 476, in init_extendors
   Module zope.interface.adapter, line 480, in add_extendor
AttributeError: type object 'IDatabaseSettings' has no attribute '__iro__'
2011-03-02 11:57:55 WARNING OFS.Uninstalled Could not import class 
'IThemeSpecific' from module 'focus.theme.browser.interfaces'
2011-03-02 11:57:55 WARNING OFS.Uninstalled Could not import class 
'IFocViewletManager' from module 'focus.theme.browser.interfaces'
2011-03-02 11:57:55 ERROR ZODB.Connection Couldn't load state for 0x19746b
Traceback (most recent call last):
   File 
"/home/zope/focus4/eggs/ZODB3-3.10.1-py2.6-linux-i686.egg/ZODB/Connection.py", 
line 859, in setstate
     self._setstate(obj)
   File 
"/home/zope/focus4/eggs/ZODB3-3.10.1-py2.6-linux-i686.egg/ZODB/Connection.py", 
line 913, in _setstate
     self._reader.setGhostState(obj, p)
   File 
"/home/zope/focus4/eggs/ZODB3-3.10.1-py2.6-linux-i686.egg/ZODB/serialize.py", 
line 613, in setGhostState
     obj.__setstate__(state)
   File 
"/home/zope/focus4/eggs/zope.component-3.10.0-py2.6.egg/zope/component/persistentregistry.py",
 
line 40, in __setstate__
     self._createLookup()
   File 
"/home/zope/focus4/eggs/zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/adapter.py",
 
line 91, in _createLookup
     self._v_lookup = self.LookupClass(self)
   File 
"/home/zope/focus4/eggs/zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/adapter.py",
 
line 439, in __init__
     self.init_extendors()
   File 
"/home/zope/focus4/eggs/zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/adapter.py",
 
line 476, in init_extendors
     self.add_extendor(p)
   File 
"/home/zope/focus4/eggs/zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/adapter.py",
 
line 480, in add_extendor
     for i in provided.__iro__:
AttributeError: type object 'IDatabaseSettings' has no attribute '__iro__'

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