Traceback (most recent call last):
  File "/Users/zeidler/plone/cache/eggs/zope.testing-3.7.7-py2.6.egg/zope/testing/testrunner/runner.py", line 361, in run_layer
    setup_layer(options, layer, setup_layers)
  File "/Users/zeidler/plone/cache/eggs/zope.testing-3.7.7-py2.6.egg/zope/testing/testrunner/runner.py", line 513, in setup_layer
    setup_layer(options, base, setup_layers)
  File "/Users/zeidler/plone/cache/eggs/zope.testing-3.7.7-py2.6.egg/zope/testing/testrunner/runner.py", line 513, in setup_layer
    setup_layer(options, base, setup_layers)
  File "/Users/zeidler/plone/cache/eggs/zope.testing-3.7.7-py2.6.egg/zope/testing/testrunner/runner.py", line 518, in setup_layer
    layer.setUp()
  File "/Users/zeidler/plone/cache/eggs/Products.PloneTestCase-0.9.9-py2.6.egg/Products/PloneTestCase/layer.py", line 17, in setUp
    five.safe_load_site()
  File "/Users/zeidler/plone/cache/eggs/Products.PloneTestCase-0.9.9-py2.6.egg/Products/PloneTestCase/five.py", line 39, in safe_load_site
    zcml.load_site()
  File "/Users/zeidler/plone/cache/eggs/Zope2-2.12.3-py2.6-macosx-10.6-i386.egg/Products/Five/zcml.py", line 51, in load_site
    _context = xmlconfig.file(file)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 647, in file
    include(context, name, package)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 546, in include
    processxmlfile(f, context)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 378, in processxmlfile
    parser.parse(src)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 357, in endElementNS
    self.context.end()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 537, in end
    self.stack.pop().finish()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 685, in finish
    actions = self.handler(context, **args)
  File "/Users/zeidler/plone/cache/eggs/Zope2-2.12.3-py2.6-macosx-10.6-i386.egg/Products/Five/fiveconfigure.py", line 74, in loadProducts
    handleBrokenProduct(product)
  File "/Users/zeidler/plone/cache/eggs/Zope2-2.12.3-py2.6-macosx-10.6-i386.egg/Products/Five/fiveconfigure.py", line 72, in loadProducts
    xmlconfig.include(_context, zcml, package=product)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 546, in include
    processxmlfile(f, context)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 378, in processxmlfile
    parser.parse(src)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 357, in endElementNS
    self.context.end()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 537, in end
    self.stack.pop().finish()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 685, in finish
    actions = self.handler(context, **args)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 546, in include
    processxmlfile(f, context)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 378, in processxmlfile
    parser.parse(src)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 357, in endElementNS
    self.context.end()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 537, in end
    self.stack.pop().finish()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 685, in finish
    actions = self.handler(context, **args)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 546, in include
    processxmlfile(f, context)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 378, in processxmlfile
    parser.parse(src)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/opt/python/buildout/parts/opt/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py", line 357, in endElementNS
    self.context.end()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 537, in end
    self.stack.pop().finish()
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 684, in finish
    args = toargs(context, *self.argdata)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py", line 1376, in toargs
    args[str(name)] = field.fromUnicode(s)
  File "/Users/zeidler/plone/cache/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/fields.py", line 141, in fromUnicode
    raise schema.ValidationError(v)
ZopeXMLConfigurationError: File "/Users/zeidler/plone/cache/eggs/Zope2-2.12.3-py2.6-macosx-10.6-i386.egg/Zope2/utilities/skel/etc/site.zcml", line 16.2-16.23
    ZopeXMLConfigurationError: File "/Users/zeidler/plone/cache/eggs/Products.ATReferenceBrowserWidget-3.0a1-py2.6.egg/Products/ATReferenceBrowserWidget/configure.zcml", line 3.2-3.57
    ZopeXMLConfigurationError: File "/Users/zeidler/plone/coredev/branches/4.0/src/archetypes.referencebrowserwidget/src/archetypes/referencebrowserwidget/configure.zcml", line 20.4-20.34
    ZopeXMLConfigurationError: File "/Users/zeidler/plone/coredev/branches/4.0/src/archetypes.referencebrowserwidget/src/archetypes/referencebrowserwidget/browser/configure.zcml", line 16.2-22.8
    ConfigurationError: ('Invalid value for', 'for', "ImportError: Couldn't import Products.ATContentTypes.interface, No module named ATContentTypes.interface")