diff --git a/src/gen/proxy/referencedbyselection.py b/src/gen/proxy/referencedbyselection.py
index 6b5575666..ec825546c 100644
--- a/src/gen/proxy/referencedbyselection.py
+++ b/src/gen/proxy/referencedbyselection.py
@@ -233,9 +233,13 @@ class ReferencedBySelectionProxyDb(ProxyDbBase):
         self.process_attributes(event)
 
         place_handle = event.get_place_handle()
-        place = self.db.get_place_from_handle(place_handle)
-        if place:
-            self.process_place(place)
+        try:
+            place = self.db.get_place_from_handle(place_handle)
+            if place:
+                self.process_place(place)
+        except AttributeError:
+            import logging
+            logging.warning('Event:%s; Handle:%s' % (event, event.handle))
     
     def process_place(self, place):
         """