PicklingError: Can't pickle <type 'ImplicitAcquirerWrapper'>

Umberto Calligaro <[email protected]>
Newsgroups gmane.comp.web.zope.plone.user
Message-ID <CADTU26J4BZ63rDYw6Ufy7knWO+uxQ+OgJCoMwdRP0pN8ozKqXw@mail.gmail.com>
Hi,

we have a strange problem and we cannot find a solution.

In our *portal_catalog* there are two ghost brains. We select their
checkboxes and then press Remove*.* Then we get the message *Object
Uncataloged*, but searching for the two brains, they still remain in the
catalog.

Trying to *Update* the catalog or *Clear and rebuild*, we get this error:

2014-11-27T17:54:18 ERROR Zope.SiteErrorLog
http://localhost:10181/mysite/portal_catalog/manage_catalogClear
Traceback (innermost last):
  Module ZPublisher.Publish, line 63, in publish
  Module Zope2.App.startup, line 238, in commit
  Module transaction._manager, line 93, in commit
  Module transaction._transaction, line 325, in commit
  Module transaction._transaction, line 424, in _commitResources
  Module ZODB.Connection, line 541, in commit
  Module ZODB.Connection, line 586, in _commit
  Module ZODB.Connection, line 620, in _store_objects
  Module ZODB.serialize, line 407, in serialize
  Module ZODB.serialize, line 416, in _dump
PicklingError: Can't pickle <type 'ImplicitAcquirerWrapper'>: attribute
lookup __builtin__.ImplicitAcquirerWrapper failed


We get the same error when we try to add new Plone Site.

Can anyone help us?

Thank you

Umberto Calligaro
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