Fixed a bug. preference may be None.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18853 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_makeTemplateFromDocument.xml

@@ -68,7 +68,7 @@
             <value> <string>portal_preferences = context.portal_preferences\n
 \n
 preference = portal_preferences.getActivePreference()\n
-if preference.getPreferenceState()!=\'enabled\':\n
+if preference is None or preference.getPreferenceState()!=\'enabled\':\n
   p = portal_preferences.newContent()\n
   p.setTitle(\'Document Template Container\')\n
   p.enable()\n
@@ -135,6 +135,7 @@ return context.Base_redirect(form_id,\n
                             <string>context</string>
                             <string>portal_preferences</string>
                             <string>preference</string>
+                            <string>None</string>
                             <string>p</string>
                             <string>parent</string>
                             <string>document_id</string>

product/ERP5/bootstrap/erp5_core/bt/revision

-683
\ No newline at end of file
+684
\ No newline at end of file