Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.1033
diff -u -p -r1.1033 node.module
--- modules/node/node.module	26 Mar 2009 13:31:25 -0000	1.1033
+++ modules/node/node.module	20 Apr 2009 14:42:42 -0000
@@ -590,7 +590,9 @@ function node_type_save($info) {
     $fields['orig_type'] = (string) $type->orig_type;
     db_insert('node_type')->fields($fields)->execute();
 
-    field_attach_create_bundle($type->type);
+    if (drupal_function_exists('field_attach_create_bundle')) {
+      field_attach_create_bundle($type->type);
+    }
 
     module_invoke_all('node_type', 'insert', $type);
     return SAVED_NEW;