diff -r a545eb9add6f -r 8604000bf3b2 server/ssplanner.py
--- a/server/ssplanner.py	Mon Apr 12 08:17:35 2010 +0200
+++ b/server/ssplanner.py	Mon Apr 12 08:22:37 2010 +0200
@@ -577,7 +577,7 @@
             result[i] = newrow
         # update entities
         for eid, edef in edefs.iteritems():
-            repo.glob_update_entity(session, edef, self.attributes)
+            repo.glob_update_entity(session, edef, set(self.attributes))
         return result
 
 def _handle_relterm(info, row, newrow):