diff --git a/organize/personal/__init__.py b/organize/personal/__init__.py
index 4bc90fb..dc55066 100644
--- a/organize/personal/__init__.py
+++ b/organize/personal/__init__.py
@@ -1,4 +1 @@
-"""
-$Id$
-"""
-
+#  package loops.organize.personal
diff --git a/organize/personal/storage/__init__.py b/organize/personal/storage/__init__.py
new file mode 100644
index 0000000..90fe717
--- /dev/null
+++ b/organize/personal/storage/__init__.py
@@ -0,0 +1,2 @@
+#  package loops.organize.personal.storage
+
diff --git a/organize/personal/storage/favorite.py b/organize/personal/storage/favorite.py
new file mode 100644
index 0000000..dcb77a2
--- /dev/null
+++ b/organize/personal/storage/favorite.py
@@ -0,0 +1,20 @@
+# loops.organize.personal.storage.favorite
+
+"""SQL-based storage for personal favorites and settings."""
+
+from cco.storage.common import registerContainerClass
+from cco.storage.tracking import record
+
+
+class Favorite(record.Track):
+
+    prefix = 'fav'
+
+
+@registerContainerClass
+class Favorites(record.Container):
+
+    itemFactory = Favorite
+    tableName = 'favorites'
+    insertOnChange = False
+
diff --git a/organize/tracking/browser.py b/organize/tracking/browser.py
index d7439bc..391cd90 100644
--- a/organize/tracking/browser.py
+++ b/organize/tracking/browser.py
@@ -98,7 +98,7 @@ class BaseTrackView(TrackView):
 
     def getMetadataTarget(self, key):
         value = self.metadata.get(key)
-        if isinstance(value, int) or value.isdigit():
+        if value is not None and (isinstance(value, int) or value.isdigit()):
             obj = util.getObjectForUid(value)
             if obj is not None:
                 url = ('%s/@@SelectedManagementView.html' %
diff --git a/organize/tracking/storage/__init__.py b/organize/tracking/storage/__init__.py
new file mode 100644
index 0000000..ff95f03
--- /dev/null
+++ b/organize/tracking/storage/__init__.py
@@ -0,0 +1 @@
+#  package loops.organize.tracking.storage
diff --git a/organize/tracking/storage/migration.py b/organize/tracking/storage/migration.py
new file mode 100644
index 0000000..e5bc8cd
--- /dev/null
+++ b/organize/tracking/storage/migration.py
@@ -0,0 +1,37 @@
+# loops.organize.tracking.storage.migration
+
+"""Tools for migration ZODB-/BTree-based tracks to SQL-base records."""
+
+from datetime import datetime
+
+import config
+from cco.storage.common import Storage, getEngine
+from cco.storage.tracking import record
+from loops.config.base import LoopsOptions
+
+
+def migrate(loopsRoot, recFolderName, factory=record.Container):
+    rf = loopsRoot.getRecordManager().get(recFolderName)
+    if rf is None:
+        print('*** ERROR: folder %r not found!' % recFolderName)
+        return
+    options = LoopsOptions(loopsRoot)
+    print('*** database:', config.dbname, config.dbuser, config.dbpassword)
+    schema = options('cco.storage.schema') or None
+    if schema is not None:
+        schema = schema[0]
+    print('*** schema:', schema)
+    storage = Storage(getEngine(config.dbengine, config.dbname, 
+                                config.dbuser, config.dbpassword, 
+                                host=config.dbhost, port=config.dbport), 
+                      schema=schema)
+    container = storage.create(factory)
+    for id, inTrack in rf.items():
+        ts = datetime.fromtimestamp(inTrack.timeStamp)
+        print('*** in:', id, inTrack)
+        head = [inTrack.metadata[k] for k in container.itemFactory.headFields]
+        print('*** out:', head, ts)
+        track = container.itemFactory(*head, trackId=int(id), 
+                                    timeStamp=ts, data=inTrack.data)
+        container.upsert(track)
+