CompoundField + ReferenceFields?

Hi,

does anyone know if it possible to use ReferenceFields within a 
CompoundField or ArrayField in a reasonable way? Combining both
fails with:

  File 
"/develop/sandboxes/unserding.de/Products/CMFCore/FSPageTemplate.py", line 
195, in _exec
    result = self.pt_render(extra_context=bound_names)
  File "/develop/sandboxes/unserding.de/Products/CacheSetup/patch_cmf.py", 
line 14, in FSPT_pt_render
    return call_pattern(self, 'pt_render', 
'__CacheSetup_FSPageTemplate_%s__', source, extra_context)
  File 
"/develop/sandboxes/unserding.de/Products/CacheSetup/patch_utils.py", line 
9, in call_pattern
    return getattr(self, pattern % __name__)(*args, **kw)
  File 
"/develop/sandboxes/unserding.de/Products/CMFCore/FSPageTemplate.py", line 
134, in pt_render
    result = FSPageTemplate.inheritedAttribute('pt_render')(
  File "/develop/sandboxes/unserding.de/Products/CacheSetup/patch_cmf.py", 
line 52, in PT_pt_render
    return call_pattern(self, 'pt_render', 
'__CacheSetup_PageTemplate_%s__', source, extra_context)
  File 
"/develop/sandboxes/unserding.de/Products/CacheSetup/patch_utils.py", line 
9, in call_pattern
    return getattr(self, pattern % __name__)(*args, **kw)
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/Products/PageTemplates/PageTemplate.py", 
line 104, in pt_render
    tal=not source, strictinsert=0)()
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/TAL/TALInterpreter.py", 
line 206, in __call__
    self.interpret(self.program)
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/TAL/TALInterpreter.py", 
line 250, in interpret
    handlers[opcode](self, args)
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/TAL/TALInterpreter.py", 
line 477, in do_setLocal_tal
    self.engine.setLocal(name, self.engine.evaluateValue(expr))
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/Products/PageTemplates/TALES.py", 
line 221, in evaluate
    return expression(self)
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/Products/PageTemplates/ZRPythonExpr.py", 
line 47, in __call__
    return eval(code, g, {})
  File "Python expression "at_obj.Schema()[fieldRealName]"", line 1, in 
<expression>
  File 
"/develop/sandboxes/unserding.de/Zope/lib/python/AccessControl/ZopeGuards.py", 
line 67, in guarded_getitem
    v = object[index]
  File 
"/develop/sandboxes/unserding.de/Products/Archetypes/Schema/__init__.py", 
line 234, in __getitem__
    return self._fields[name]
KeyError: 'votes 0|vote_reference_0'


Andreas

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