When the user click the wheel, select nothing and click "Update relation", do...

When the user click the wheel, select nothing and click "Update relation", do nothing instead of raising an inapropriate error message.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4410 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/RelationField.py

@@ -346,7 +346,7 @@ class RelationStringFieldValidator(Validator.StringValidator):
         if type(relation_uid) in (type([]), type(())):
           if len( relation_uid ) == 0:
             # No object was selected...
-            self.raise_error('relation_result_too_long', field)
+            return None
           else:
             relation_uid = relation_uid[0]