Error Reference


Common Python exception traceback patterns you may encounter when working with Plone Intranet and possible solutions for them.

Please see this tutorial <> for extracting Python tracebacks from your Plone logs.

Add-on installer error: This object was originally created by a product that is no longer installed


2009-10-18 13:11:20 ERROR Zope.SiteErrorLog 1255860680.760.514176531634 http://localhost:8080/twinapex/portal_quickinstaller/installProducts
Traceback (innermost last):
  Module ZPublisher.Publish, line 125, 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 OFS.Uninstalled, line 40, in __getstate__
SystemError: This object was originally created by a product that
            is no longer installed.  It cannot be updated.
            (<Salt at broken>)

Reason: Data.fs contains objects for which the code is not present. You have probably moved Data.fs or edited buildout.cfg.

Solution: Check that eggs and zcml contain all necessary products in buildout.cfg.

Failure in test test_docconv_url_traversable (ploneintranet.attachments.tests.test_upload.TestUpload)


Failure in test test_docconv_url_traversable (ploneintranet.attachments.tests.test_upload.TestUpload)
Traceback (most recent call last):
  File "/Users/coen/.buildout/shared-eggs/unittest2-0.5.1-py2.7.egg/unittest2/", line 340, in run
  File "/Users/coen/git/ploneintranet/src/ploneintranet/attachments/tests/", line 120, in test_docconv_url_traversable
    self.assertIsInstance(view(), BlobStreamIterator)
  File "/Users/coen/.buildout/shared-eggs/unittest2-0.5.1-py2.7.egg/unittest2/", line 966, in assertIsInstance, standardMsg))
  File "/Users/coen/.buildout/shared-eggs/unittest2-0.5.1-py2.7.egg/unittest2/", line 415, in fail
    raise self.failureException(msg)
AssertionError: None is not an instance of <class ''>

Reason: During the installation the Docsplit Ruby gem is installed. *Docsplit dependencies like GraphicsMagick, Poppler, html2pdb and LibreOffice *are missing.

Solution: Make sure you have the dependencies installed.