diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_checkConsistency.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_checkConsistency.xml
index 2a2aff2f38433a022cd54afa51bdebb68cf0413e..1062c74cecd5dd11f105f73644bc5f2bc51f165e 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_checkConsistency.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_checkConsistency.xml
@@ -75,7 +75,7 @@ for err in check_result:\n
     message_list.append(err.getTranslatedMessage())\n
   else:\n
     # backward compatibility:\n
-    message.append(err[3])\n
+    message_list.append(err[3])\n
 \n
 if message_list:\n
   raise ValidationFailed, message_list\n
@@ -137,7 +137,6 @@ if message_list:\n
                             <string>err</string>
                             <string>getattr</string>
                             <string>None</string>
-                            <string>message</string>
                             <string>_getitem_</string>
                           </tuple>
                         </value>
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index ab747dc7988b035f165597366a294926e3c84772..2cc890563420dd916788cc3b8fe0a060451ab9f7 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-819
\ No newline at end of file
+820
\ No newline at end of file