diff --git a/scheduler.module b/scheduler.module
old mode 100644
new mode 100755
index 48b22d1..752d480
--- a/scheduler.module
+++ b/scheduler.module
@@ -728,43 +728,51 @@ function _scheduler_publish() {
 
   foreach ($nids as $nid) {
     $n = node_load($nid);
-    $n->changed = $n->publish_on;
-    $old_creation_date = $n->created;
-    if (variable_get('scheduler_publish_touch_'. $n->type, 0) == 1) {
-      $n->created = $n->publish_on;
-    }
-
-    $create_publishing_revision = variable_get('scheduler_publish_revision_'. $n->type, 0) == 1;
-    if ($create_publishing_revision) {
-      $n->revision = TRUE;
-      $n->log = "Node published by scheduler module. Original creation date was ".  format_date($old_creation_date, 'custom', $date_format) .".";
+  	//Fallback, if node does not exist.
+    if (!empty($n)) {
+      $n->changed = $n->publish_on;
+      $old_creation_date = $n->created;
+      if (variable_get('scheduler_publish_touch_'. $n->type, 0) == 1) {
+        $n->created = $n->publish_on;
+      }
+    
+      $create_publishing_revision = variable_get('scheduler_publish_revision_'. $n->type, 0) == 1;
+      if ($create_publishing_revision) {
+        $n->revision = TRUE;
+        $n->log = "Node published by scheduler module. Original creation date was ".  format_date($old_creation_date, 'custom', $date_format) .".";
+      }
+    
+      // Use the actions system to publish the node.
+      watchdog('scheduler', '@type: scheduled publishing of %title.', array('@type' => $n->type, '%title' => $n->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $n->nid));
+      $actions = array('node_publish_action', 'node_save_action');
+      $context['node'] = $n;
+      actions_do($actions, $n, $context, NULL, NULL);
+    
+      // If this node is not to be unpublished, then we can delete the record.
+      if (isset($n->unpublish_on) && $n->unpublish_on == 0) {
+        db_delete('scheduler')
+          ->condition('nid', $n->nid)
+          ->execute();
+      }
+      // We need to unpublish this node at some time so clear the publish on since
+      // it has been published.
+      else {
+        db_update('scheduler')
+          ->fields(array('publish_on' => 0))
+          ->condition('nid', $n->nid)
+          ->execute();
+      }
+    
+      // Invoke scheduler API.
+      _scheduler_scheduler_api($n, 'publish');
+    
+      $result = TRUE;
     }
-
-    // Use the actions system to publish the node.
-    watchdog('scheduler', '@type: scheduled publishing of %title.', array('@type' => $n->type, '%title' => $n->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $n->nid));
-    $actions = array('node_publish_action', 'node_save_action');
-    $context['node'] = $n;
-    actions_do($actions, $n, $context, NULL, NULL);
-
-    // If this node is not to be unpublished, then we can delete the record.
-    if (isset($n->unpublish_on) && $n->unpublish_on == 0) {
+    else{
       db_delete('scheduler')
-        ->condition('nid', $n->nid)
-        ->execute();
-    }
-    // We need to unpublish this node at some time so clear the publish on since
-    // it has been published.
-    else {
-      db_update('scheduler')
-        ->fields(array('publish_on' => 0))
-        ->condition('nid', $n->nid)
+        ->condition('nid', $nid)
         ->execute();
-    }
-
-    // Invoke scheduler API.
-    _scheduler_scheduler_api($n, 'publish');
-
-    $result = TRUE;
+    } 
   }
 
   return $result;
@@ -798,30 +806,32 @@ function _scheduler_unpublish() {
     // If this node is to be unpublished, we can update the node and remove the
     // record since it cannot be republished.
     $n = node_load($nid);
-    $old_change_date = $n->changed;
-    $n->changed = $n->unpublish_on;
-
-    if ($n->status == 1) {
-      $create_unpublishing_revision = variable_get('scheduler_unpublish_revision_'. $n->type, 0) == 1;
-      if ($create_unpublishing_revision) {
-        $n->revision = TRUE;
-        $n->log = "Node unpublished by scheduler module. Original change date was ".  format_date($old_change_date, 'custom', $date_format) .".";
+    if(!empty($n)){
+      $old_change_date = $n->changed;
+      $n->changed = $n->unpublish_on;
+  
+      if ($n->status == 1) {
+        $create_unpublishing_revision = variable_get('scheduler_unpublish_revision_'. $n->type, 0) == 1;
+        if ($create_unpublishing_revision) {
+          $n->revision = TRUE;
+          $n->log = "Node unpublished by scheduler module. Original change date was ".  format_date($old_change_date, 'custom', $date_format) .".";
+        }
+  
+        // Use the actions system to unpublish the node.
+        watchdog('scheduler', '@type: scheduled unpublishing of %title.', array('@type' => $n->type, '%title' => $n->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $n->nid));
+        $actions = array('node_unpublish_action', 'node_save_action');
+        $context['node'] = $n;
+        actions_do($actions, $n, $context, NULL, NULL);
       }
-
-      // Use the actions system to unpublish the node.
-      watchdog('scheduler', '@type: scheduled unpublishing of %title.', array('@type' => $n->type, '%title' => $n->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $n->nid));
-      $actions = array('node_unpublish_action', 'node_save_action');
-      $context['node'] = $n;
-      actions_do($actions, $n, $context, NULL, NULL);
+      
+      // Invoke scheduler API.
+      _scheduler_scheduler_api($n, 'unpublish');
     }
 
     db_delete('scheduler')
       ->condition('nid', $n->nid)
       ->execute();
 
-    // Invoke scheduler API.
-    _scheduler_scheduler_api($n, 'unpublish');
-
     $result = TRUE;
   }