Index: src/org/w3c/unicorn/response/impl/OldResponseXBeans.java
===================================================================
--- src/org/w3c/unicorn/response/impl/OldResponseXBeans.java	(revision 905:b3ade6f94582)
+++ src/org/w3c/unicorn/response/impl/OldResponseXBeans.java	(revision 1108:ef6e65bbbf25)
@@ -57,5 +57,5 @@
 		} catch (XmlException e) {
 			if (e.getMessage().contains("is not a valid observationresponse"))
-				throw new UnicornException(new org.w3c.unicorn.util.Message(org.w3c.unicorn.util.Message.ERROR, "$message_observer_invalid_response_schema"));
+				throw new UnicornException(new org.w3c.unicorn.util.Message(org.w3c.unicorn.util.Message.ERROR, "$message_response_invalid_schema", null, Framework.mapOfObserver.get(observerID).getName(Property.get("DEFAULT_LANGUAGE"))));
 			else
 				throw new UnicornException(new org.w3c.unicorn.util.Message(e));