#4 — Installation problem: __traceback_info__: ('Large Plone Folder', '')

Hi,
I've a brand-new plone4rc1 site. I tryed to install the contentleadimage 1.2 by plone_control_panel, but I obtain this error:


2010-08-13 17:35:00 ERROR Zope.SiteErrorLog 1281713700.40.260385713721 http://localhost:8080/[…]/manage_importAllSteps
Traceback (innermost last):
  Module ZPublisher.Publish, line 127, in publish
  Module ZPublisher.mapply, line 77, in mapply
  Module ZPublisher.Publish, line 47, in call_object
  Module Products.GenericSetup.tool, line 521, in manage_importAllSteps
  Module Products.GenericSetup.tool, line 330, in runAllImportStepsFromProfile
   - __traceback_info__: profile-collective.contentleadimage:default
  Module Products.GenericSetup.tool, line 1085, in _runImportStepsFromContext
  Module Products.GenericSetup.tool, line 999, in _doRunImportStep
   - __traceback_info__: typeinfo
  Module Products.CMFCore.exportimport.typeinfo, line 224, in importTypesTool
  Module Products.GenericSetup.utils, line 819, in importObjects
   - __traceback_info__: portal_types
  Module Products.GenericSetup.utils, line 503, in _importBody
  Module Products.CMFCore.exportimport.typeinfo, line 209, in _importNode
  Module Products.GenericSetup.utils, line 564, in _initObjects
   - __traceback_info__: ('Large Plone Folder', '')
ValueError: unknown meta_type ''

Thank's
Vito