--- src/idmef-class.c.orig	2020-09-09 18:30:32
+++ src/idmef-class.c	2024-12-15 12:34:20
@@ -161,7 +161,7 @@
 
         ret = is_child_valid(class, child);
         if ( ret < 0 )
-                return ret;
+                return NULL;
 
         return object_data[class].children_list[child].attributes;
 }