Index: subscriptions_mail.module
===================================================================
--- subscriptions_mail.module	(revision 382)
+++ subscriptions_mail.module	(working copy)
@@ -99,7 +99,7 @@
             $body_template = variable_get('subscriptions_email_body', subscriptions_mail_template('BODY'));
             $subject_template = variable_get('subscriptions_email_subject', subscriptions_mail_template('SUBJ'));
           }
-          $show_node_info = theme_get_setting('toggle_node_info_'. $node->type);
+          $show_node_info = (isset($object->type) ? theme_get_setting('toggle_node_info_'. $object->type) : TRUE);
           $base = 'user/'. $s['uid'] .'/';
           $mailvars = array(
             '!site' => variable_get('site_name', 'drupal'),