diff --git a/browser/common.py b/browser/common.py
index adc9b4f..3f1033c 100644
--- a/browser/common.py
+++ b/browser/common.py
@@ -28,6 +28,7 @@ from zope.app.form.browser.interfaces import ITerms
 from zope.app.i18n.interfaces import ITranslationDomain
 from zope.app.security.interfaces import IAuthentication
 from zope.app.pagetemplate import ViewPageTemplateFile
+from zope.app.security.interfaces import PrincipalLookupError
 from zope.cachedescriptors.property import Lazy
 from zope.dottedname.resolve import resolve
 from zope.dublincore.interfaces import IZopeDublinCore
@@ -161,9 +162,11 @@ class BaseView(GenericView, I18NView):
         pau = component.getUtility(IAuthentication)
         creators = []
         for c in cr:
-            principal = pau.getPrincipal(c)
-            if principal is not None:
+            try:
+                principal = pau.getPrincipal(c)
                 creators.append(principal.title)
+            except PrincipalLookupError:
+                creators.append(c)
         return ', '.join(creators)
 
     @Lazy
diff --git a/common.py b/common.py
index 7c98663..fccb711 100644
--- a/common.py
+++ b/common.py
@@ -94,6 +94,7 @@ class AdapterBase(object):
 
     _adapterAttributes = ('context', '__parent__',)
     _contextAttributes = list(IConcept)
+    _noexportAttributes = ()
 
     def __init__(self, context):
         self.context = context
@@ -105,7 +106,11 @@ class AdapterBase(object):
 
     def __setattr__(self, attr, value):
         if attr in self._adapterAttributes:
-            object.__setattr__(self, attr, value)
+            try:
+                object.__setattr__(self, attr, value)
+            except AttributeError:
+                print '***', self.context.__name__, attr, value
+                raise
         else:
             self.checkAttr(attr)
             setattr(self.context, '_' + attr, value)
diff --git a/compound/blog/post.py b/compound/blog/post.py
index e9954b8..a0372eb 100644
--- a/compound/blog/post.py
+++ b/compound/blog/post.py
@@ -48,6 +48,7 @@ class BlogPost(Compound):
 
     _adapterAttributes = Compound._adapterAttributes + ('text', 'private', 'creator',)
     _contextAttributes = Compound._contextAttributes + ['date', 'privateComment']
+    _noexportAttributes = ('creator', 'text', 'private')
 
     defaultTextContentType = 'text/restructured'
     textContentType = defaultTextContentType
diff --git a/external/annotation.py b/external/annotation.py
index 163321d..43ede0f 100644
--- a/external/annotation.py
+++ b/external/annotation.py
@@ -23,7 +23,7 @@ $Id$
 """
 
 from datetime import datetime
-from time import time
+import time
 from zope.component import adapts
 from zope.dublincore.interfaces import IZopeDublinCore
 from zope.interface import implements
@@ -47,7 +47,7 @@ class AnnotationsElement(Element):
         if dc is not None:
             for k, v in self.items():
                 if k in ('created', 'modified'):
-                    v = datetime(*time.strptime(u'%Y-%m-%dT%H:%M')[0:6])
+                    v = datetime(*time.strptime(v, u'%Y-%m-%dT%H:%M')[0:6])
                 setattr(dc, k, v)
 
 
diff --git a/external/base.py b/external/base.py
index 5559884..f89fe44 100644
--- a/external/base.py
+++ b/external/base.py
@@ -192,6 +192,10 @@ class Extractor(Base):
         # this should also convert object attributes like e.g. typeInterface
         #data = instance.applyTemplate(mode='export')
         data = instance.applyTemplate(mode='edit')
+        noexp = getattr(aObj, '_noexportAttributes', ())
+        for attr in noexp:
+            if attr in data:
+                del data[attr]
         if 'title' in data:
             del data['title']
         data['description'] = obj.description
diff --git a/external/browser.py b/external/browser.py
index 5c0c4b3..0a5bd39 100644
--- a/external/browser.py
+++ b/external/browser.py
@@ -89,7 +89,7 @@ class ExportImport(object):
             return False
         reader = component.getUtility(IReader)
         elements = reader.read(data)
-        loader = Loader(self.context)
+        loader = Loader(self.context, resourceImportDirectory)
         loader.load(elements)
         self.message = u'Content uploaded and imported.'
         return False
diff --git a/external/element.py b/external/element.py
index fed833f..9b24e52 100644
--- a/external/element.py
+++ b/external/element.py
@@ -30,6 +30,7 @@ from zope.interface import Interface, implements
 from zope.traversing.api import getName, traverse
 
 from loops.external.interfaces import IElement
+from loops.i18n.common import I18NValue
 
 
 class Element(dict):
@@ -192,6 +193,7 @@ elementTypes = dict(
     resource=ResourceElement,
     resourceRelation=ResourceRelationElement,
     node=NodeElement,
+    I18NValue=I18NValue,
 )
 
 toplevelElements = ('type', 'concept', 'resource', 'resourceRelation', 'node')
diff --git a/organize/party.py b/organize/party.py
index e394aad..42edf6b 100644
--- a/organize/party.py
+++ b/organize/party.py
@@ -54,7 +54,7 @@ TypeInterfaceSourceList.typeInterfaces += (IPerson, IAddress)
 
 def getPersonForUser(context, request=None, principal=None):
     if principal is None:
-        principal = request.principal
+        principal = getattr(request, 'principal', None)
     if principal is None:
         return None
     loops = context.getLoopsRoot()
@@ -83,6 +83,8 @@ class Person(AdapterBase, BasePerson):
     def setUserId(self, userId):
         if userId:
             principal = self.getPrincipalForUserId(userId)
+            if principal is None:
+                return
             person = getPersonForUser(self.context, principal=principal)
             if person is not None and person != self.context:
                 raise ValueError(