Plone 4.1: UnboundLocalError: local variable '__default_123305040' referenced before assignment about chameleon

[braytonosg]

I get essentially the same error, though mine actually shows up as a NameError when trying to render the login page.

Traceback (innermost last):
• Module Products.CMFFormController.FSControllerPageTemplate, line 91, in call
• Module Products.CMFFormController.BaseControllerPageTemplate, line 31, in _call
• Module Shared.DC.Scripts.Bindings, line 322, in call
• Module Shared.DC.Scripts.Bindings, line 359, in _bindAndExec
• Module Products.CMFCore.FSPageTemplate, line 240, in _exec
• Module Products.CMFCore.FSPageTemplate, line 180, in pt_render
• Module Products.PageTemplates.PageTemplate, line 79, in pt_render
• Module zope.pagetemplate.pagetemplate, line 113, in pt_render
• Module five.pt.patches, line 129, in call
• Module z3c.pt.pagetemplate, line 147, in render
• Module chameleon.zpt.template, line 211, in render
• Module chameleon.template, line 188, in render
• Module 78f1af8feb650a7b13a3b767ff8ff2d4c1105720.py, line 3505, in render
• Module 099bd5329dc169deb4685549a4fcb0011b97ac4a.py, line 1179, in render_master
NameError: global name '__default_4418637008' is not defined

[runyaga]

This happened to us as well.

Traceback (most recent call last):
  File ".../src/ploud.zope/ploud/zope/publisher.py", line 204, in publish_module
    response = _publish(request, 'ploud_application_%s'%name)
  File ".../eggs/Zope2-2.13.9-py2.7.egg/ZPublisher/WSGIPublisher.py", line 195, in publish
    bind=1,
  File ".../eggs/Zope2-2.13.9-py2.7.egg/ZPublisher/mapply.py", line 77, in mapply
    if debug is not None: return debug(object,args,context)
  File ".../eggs/Zope2-2.13.9-py2.7.egg/ZPublisher/Publish.py", line 46, in call_object
    result=apply(object,args) # Type s<cr> to step into published object.
  File ".../eggs/Zope2-2.13.9-py2.7.egg/Shared/DC/Scripts/Bindings.py", line 322, in __call__
    return self._bindAndExec(args, kw, None)
  File ".../src/ploud.zope/ploud/zope/patches.py", line 82, in _bindAndExec
    return self._exec(bound_data, args, kw)
  File ".../src/ploud.zope/ploud/zope/patches.py", line 151, in _exec
    result = self.pt_render(extra_context=bound_names)
  File ".../eggs/Products.CMFCore-2.2.4-py2.7.egg/Products/CMFCore/FSPageTemplate.py", line 180, in pt_render
    self, source, extra_context
  File ".../eggs/Zope2-2.13.9-py2.7.egg/Products/PageTemplates/PageTemplate.py", line 79, in pt_render
    showtal=showtal)
  File ".../eggs/zope.pagetemplate-3.5.2-py2.7.egg/zope/pagetemplate/pagetemplate.py", line 113, in pt_render
    strictinsert=0, sourceAnnotations=sourceAnnotations)()
  File ".../eggs/five.pt-2.1.5-py2.7.egg/five/pt/patches.py", line 129, in __call__
    result = self.template.render(**context)
  File ".../eggs/z3c.pt-2.1.3-py2.7.egg/z3c/pt/pagetemplate.py", line 147, in render
    return base_renderer(**context)
  File ".../eggs/Chameleon-2.4.1-py2.7.egg/chameleon/zpt/template.py", line 211, in render
    return super(PageTemplate, self).render(**vars)
  File ".../eggs/Chameleon-2.4.1-py2.7.egg/chameleon/template.py", line 188, in render
    self._render(stream, econtext, rcontext)
  File ".../parts/sources/document_view_dc08532b4a0c1b6691c998d6d572a65a9dfdaf08.py", line 73, in render
    __macro.include(__stream, econtext.copy(), rcontext, __i18n_domain)
  File ".../parts/sources/main_template_4b617c9c9e87a94144041c7f003776ec97228ebb.py", line 1180, in render_master
    __default_3170925612 = __default_3171052172
NameError: global name '__default_3171052172' is not defined

[malthe]

Fix included in latest release (2.4.2).