lib/judge/message_config.rb in judge-1.5.0 vs lib/judge/message_config.rb in judge-2.0.0

@@ -31,10 +31,11 @@
                            :less_than                => :less_than, 
                            :less_than_or_equal_to    => :less_than_or_equal_to,
                            :odd                      => :odd,
                            :even                     => :even
                          }
-                       }
+                       },
+      :uniqueness   => { :base => :taken }
     }
 
   end
 
 end
\ No newline at end of file