Index: simplenews.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/simplenews/simplenews.module,v
retrieving revision 1.272
diff -u -p -r1.272 simplenews.module
--- simplenews.module	18 Jan 2011 14:01:39 -0000	1.272
+++ simplenews.module	20 Jan 2011 18:31:11 -0000
@@ -509,6 +509,13 @@ function simplenews_node_load($nodes, $t
 
   $newsletters = simplenews_newsletter_load_multiple(array_keys($nodes));
   foreach ($nodes as $nid => $node) {
+    // We can have multiple nodes where not all of them are simplenews enabled
+    // content type. So we need to check for each individual node is it
+    // simplenews enabled.
+    if (!simplenews_check_node_types($node->type)) {
+      continue;
+    }
+
     // Make sure every $node has valid newsletter data as object
     $newsletter = array();
     if (isset($newsletters[$nid])) {