diff -r 47c1048fc4ef -r 4d9bd851a5f5 app/soc/views/helper/requests.py
--- a/app/soc/views/helper/requests.py	Wed Mar 04 23:10:13 2009 +0000
+++ b/app/soc/views/helper/requests.py	Wed Mar 04 23:10:38 2009 +0000
@@ -50,7 +50,7 @@
 
   try:
     # GET parameter 'param_name' should be an integer value index
-    value_idx = int(value_idx)
+    value_idx = int(value_idx) if value_idx is not None else -1
   except ValueError:
     # ignore bogus or missing parameter values, so return None (no message)
     return None