[etc] 

  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/xmlconfig.py", line 490, in include
    processxmlfile(f, context)
  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/xmlconfig.py", line 345, in processxmlfile
    parser.parse(src)
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 109, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 216, in feed
    self._parser.Parse(data, isFinal)
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 364, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/xmlconfig.py", line 326, in endElementNS
    self.context.end()
  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/config.py", line 544, in end
    self.stack.pop().finish()
  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/config.py", line 689, in finish
    args = toargs(context, *self.argdata)
  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/config.py", line 1381, in toargs
    args[str(name)] = field.fromUnicode(s)
  File "/home/ltucker/devel/topp.buildout/lib/python/zope/configuration/fields.py", line 231, in fromUnicode
    raise InvalidToken("%s in %s" % (v, u))
zope.configuration.xmlconfig.ZopeXMLConfigurationError: File "/home/ltucker/devel/topp.buildout/parts/zope-instance/Products/Five/skel/site.zcml", line 7.2-7.37
    ZopeXMLConfigurationError: File "/home/ltucker/devel/topp.buildout/parts/zope-instance/Products/Five/configure.zcml", line 12.2-12.32
    ZopeXMLConfigurationError: File "/home/ltucker/devel/topp.buildout/parts/zope-instance/Products/Five/formlib/configure.zcml", line 15.2-18.8
    ConfigurationError: ('Invalid value for', 'factory', "ImportError: Couldn't import zope.formlib.errors, No module named errors in .errors.InvalidErrorView")