diff -r 1fc804b2c5ba -r 7ef021ac8dec server/sources/ldapuser.py
--- a/server/sources/ldapuser.py	Wed Sep 16 14:32:13 2009 +0200
+++ b/server/sources/ldapuser.py	Wed Sep 16 14:32:56 2009 +0200
@@ -336,7 +336,7 @@
                 if sol[varname] == 'CWUser':
                     mainvars.append(varname)
                     break
-        assert mainvars
+        assert mainvars, rqlst
         columns, globtransforms = self.prepare_columns(mainvars, rqlst)
         eidfilters = []
         allresults = []