--- a/applayerprotocols/httptransportfw/core/CHeaderField.cpp	Tue Apr 27 17:12:14 2010 +0300
+++ b/applayerprotocols/httptransportfw/core/CHeaderField.cpp	Tue May 11 16:43:01 2010 +0300
@@ -118,7 +118,9 @@
 	if ((aIndex < NumPartsL()) && (aIndex >= 0))
 		return iParts[aIndex];
 	else
-		return NULL;
+		User::Leave(KErrNotFound);
+	
+	return NULL;
 	}
 
 EXPORT_C