[Zope-CMF] problem with portal_memberdata contents tab

[marc lindahl]

I was just checking if my member data needed 'pruning'... and clicked on the
Contents tab.  It used to work... now I get:

 
  Site Error

  An error was encountered while publishing this resource.

  AttributeError

  Sorry, a site error occurred.

  Traceback (innermost last):
    File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
223, in publish_module
    File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
187, in publish
    File /usr/local/zope/Zope-2.3.1/lib/python/Zope/__init__.py, line 221,
in zpublisher_exception_hook
      (Object: portal_memberdata)
    File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
171, in publish
    File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/mapply.py, line
160, in mapply
      (Object: manage_showContents)
    File /usr/local/zope/Zope-2.3.1/lib/python/ZPublisher/Publish.py, line
112, in call_object
      (Object: manage_showContents)
    File 
/usr/local/zope/Zope-2.3.1/lib/python/Shared/DC/Scripts/Bindings.py, line
324, in __call__
      (Object: manage_showContents)
    File 
/usr/local/zope/Zope-2.3.1/lib/python/Shared/DC/Scripts/Bindings.py, line
354, in _bindAndExec
      (Object: manage_showContents)
    File /usr/local/zope/Zope-2.3.1/lib/python/App/special_dtml.py, line
236, in _exec
      (Object: manage_showContents)
  AttributeError: _v_blocks




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