Hello everyone, i subscribed to the list because i'm having a problem after 
migrating lists from listen 0.1 to 0.5b1

i went to migrate_listen_mailing_lists template, clicked on "Migrate" and 
after several minutes i had a list of successfully migrated lists, but when i 
try to access any of them, i get an error (you can see it at the bottom of 
this mail).

Trying to add a new list, i noticed that the type name states 'MailingList' 
and i think before was 'Mailing List', so i went to portal_types and changed 
the type's name to 'Mailing List', and voilá, the older lists (the ones that 
i migrated) were accessible again :-D

so my questions are:
 this solution can brake anything in the future when using the lists ?
 is there any better solution to fix this ?

regards, and thanks on such a great product :-D

Franco

AttributeError
Sorry, a site error occurred.

Traceback (innermost last):

    * Module ZPublisher.Publish, line 196, in publish_module_standard
    * Module Products.PlacelessTranslationService.PatchStringIO, line 34, in 
new_publish
    * Module ZPublisher.Publish, line 146, in publish
    * Module Zope2.App.startup, line 222, in zpublisher_exception_hook
    * Module ZPublisher.Publish, line 115, in publish
    * Module ZPublisher.mapply, line 88, in mapply
    * Module ZPublisher.Publish, line 41, in call_object
    * Module Products.listen.browser.mailinglist_views, line 108, in __call__
    * Module Shared.DC.Scripts.Bindings, line 311, in __call__
    * Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec
    * Module Products.PageTemplates.PageTemplateFile, line 113, in _exec
    * Module Products.PTProfiler.ProfilerPatch, line 83, in __patched_render__
    * Module Products.PageTemplates.PageTemplate, line 104, in pt_render
      <ImplicitAcquirerWrapper object at 0x2aaaab9eb1d0>
    * Module TAL.TALInterpreter, line 238, in __call__
    * Module TAL.TALInterpreter, line 281, in interpret
    * Module TAL.TALInterpreter, line 749, in do_useMacro
    * Module TAL.TALInterpreter, line 281, in interpret
    * Module TAL.TALInterpreter, line 457, in do_optTag_tal
    * Module TAL.TALInterpreter, line 442, in do_optTag
    * Module TAL.TALInterpreter, line 437, in no_tag
    * Module TAL.TALInterpreter, line 281, in interpret
    * Module TAL.TALInterpreter, line 749, in do_useMacro
    * Module TAL.TALInterpreter, line 281, in interpret
    * Module TAL.TALInterpreter, line 507, in do_setLocal_tal
    * Module Products.PageTemplates.TALES, line 221, in evaluate
      URL: file:CMFPlone/skins/plone_templates/global_defines.pt
      Line 3, Column 0
      Expression: standard:'plone_view/getViewTemplateId'
      Names:

      {'container': <MailingList 
at /dot/www/what-we-do/teachup/usa/21s-comm-team/discussions/listen>,
       'context': <MailingList 
at /dot/www/what-we-do/teachup/usa/21s-comm-team/discussions/listen>,
       'default': <Products.PageTemplates.TALES.Default instance at 
0x2ae10b164200>,
       'here': <MailingList 
at /dot/www/what-we-do/teachup/usa/21s-comm-team/discussions/listen>,
       'loop': <Products.PageTemplates.TALES.SafeMapping object at 
0x2aaaabaf0f38>,
       'modules': <Products.PageTemplates.ZRPythonExpr._SecureModuleImporter 
instance at 0x2ae10b1643b0>,
       'nothing': None,
       'options': {'args': ()},
       'repeat': <Products.PageTemplates.TALES.SafeMapping object at 
0x2aaaabaf0f38>,
       'request': <HTTPRequest, 
URL=http://dev.menttes.com:12386/dot/www/what-we-do/teachup/usa/21s-comm-team/discussions/listen/mailinglist_view>,
       'root': <Application at >,
       'template': <ImplicitAcquirerWrapper object at 0x2aaaab9eb1d0>,
       'traverse_subpath': [],
       'user': <PropertiedUser 'admin'>,
       'view': <Products.Five.metaclass.SimpleViewClass 
from /usr/local/zope-dev/developer/frapell/new_dot/Products/listen/browser/mailinglist_view.pt 
object at 0x2aaaab9babd0>,
       'views': <zope.app.pagetemplate.viewpagetemplatefile.ViewMapper object 
at 0x2aaaab9eb4d0>}

    * Module Products.PTProfiler.ProfilerPatch, line 32, in __patched_call__
    * Module Products.PageTemplates.Expressions, line 185, in __call__
    * Module Products.PageTemplates.Expressions, line 180, in _eval
    * Module Products.PageTemplates.Expressions, line 85, in render
    * Module Products.CMFPlone.browser.plone, line 42, in cached_method
    * Module Products.CMFPlone.browser.plone, line 398, in getViewTemplateId
    * Module Products.CMFPlone.browser.plone, line 411, in 
_lookupTypeActionTemplate

AttributeError: 'NoneType' object has no attribute 'getActionInfo' (Also, the 
following error occurred while attempting to render the standard error 
message, please see the event log for full details: 'NoneType' object has no 
attribute 'getActionInfo')