*  Module ZPublisher.Publish, line 113, in publish
    * Module ZPublisher.mapply, line 88, in mapply
    * Module ZPublisher.Publish, line 40, in call_object
    * Module Products.CMFPlone.FactoryTool, line 358, in __call__
    * Module ZPublisher.mapply, line 88, in mapply
    * Module ZPublisher.Publish, line 40, in call_object
    * Module Products.CMFFormController.FSControllerPageTemplate, line 98, in __call__
    * Module Products.CMFFormController.BaseControllerPageTemplate, line 39, in _call
    * Module Products.CMFFormController.ControllerBase, line 243, in getNext
    * Module Products.CMFFormController.Actions.TraverseTo, line 36, in __call__
    * Module ZPublisher.mapply, line 88, in mapply
    * Module ZPublisher.Publish, line 40, in call_object
    * Module Products.CMFFormController.FSControllerPythonScript, line 105, in __call__
    * Module Products.CMFFormController.Script, line 141, in __call__
    * Module Products.CMFCore.FSPythonScript, line 108, in __call__
    * Module Shared.DC.Scripts.Bindings, line 311, in __call__
    * Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec
    * Module Products.CMFCore.FSPythonScript, line 163, in _exec
    * Module None, line 1, in content_edit
      <FSControllerPythonScript at /agrotis/content_edit used for /agrotis/interno/plonesoftwarecenter.2005-09-15.2641528233/pscproject.2005-09-15.4755666198/releases/132/portal_factory/PSCFile/pscfile.2005-09-15.6473356151>
      Line 1
    * Module Products.CMFCore.FSPythonScript, line 108, in __call__
    * Module Shared.DC.Scripts.Bindings, line 311, in __call__
    * Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec
    * Module Products.CMFCore.FSPythonScript, line 163, in _exec
    * Module None, line 11, in content_edit_impl
      <FSPythonScript at /agrotis/content_edit_impl used for /agrotis/interno/plonesoftwarecenter.2005-09-15.2641528233/pscproject.2005-09-15.4755666198/releases/132/portal_factory/PSCFile/pscfile.2005-09-15.6473356151>
      Line 11
    * Module Products.Archetypes.BaseObject, line 623, in processForm
    * Module Products.Archetypes.BaseObject, line 612, in _processForm
      __traceback_info__: (<PSCFile at /agrotis/interno/plonesoftwarecenter.2005-09-15.2641528233/pscproject.2005-09-15.4755666198/releases/132/pscfile.2005-09-15.6473356151>, <Field downloadableFile(file:rw)>, <bound method PSCFile.setDownloadableFile of <PSCFile at /agrotis/interno/plonesoftwarecenter.2005-09-15.2641528233/pscproject.2005-09-15.4755666198/releases/132/pscfile.2005-09-15.6473356151>>)
    * Module Products.Archetypes.utils, line 143, in mapply
    * Module Products.Archetypes.ClassGen, line 78, in generatedMutator
    * Module Products.Archetypes.Field, line 963, in set
    * Module Products.Archetypes.Field, line 862, in _process_input

AttributeError: 'str' object has no attribute 'manage_upload'