From 047128fdc33018f8c0bd3c92413587a723674d47 Mon Sep 17 00:00:00 2001
From: Arnaud Fontaine <arnaud.fontaine@nexedi.com>
Date: Fri, 7 Sep 2012 17:56:22 +0900
Subject: [PATCH] Invalid error message returned in CategoryMembershipArity
 Constraint.

---
 product/ERP5Type/Core/CategoryMembershipArityConstraint.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/product/ERP5Type/Core/CategoryMembershipArityConstraint.py b/product/ERP5Type/Core/CategoryMembershipArityConstraint.py
index a5aed2f8e2..9545ff2ca5 100644
--- a/product/ERP5Type/Core/CategoryMembershipArityConstraint.py
+++ b/product/ERP5Type/Core/CategoryMembershipArityConstraint.py
@@ -95,7 +95,7 @@ class CategoryMembershipArityConstraint(ConstraintMixin):
                    max_arity=max_arity)
 
     # Generate an error message
-    if len(portal_type_list) == 0:
+    if len(portal_type_list) != 0:
       if max_arity is None:
         message_id = 'message_arity_with_portal_type_too_small'
       else:
-- 
2.30.9