Index: rules/modules/rules.rules.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/rules/rules/modules/Attic/rules.rules.inc,v
retrieving revision 1.1.2.23
diff -u -r1.1.2.23 rules.rules.inc
--- rules/modules/rules.rules.inc	29 Aug 2008 12:02:55 -0000	1.1.2.23
+++ rules/modules/rules.rules.inc	17 Sep 2008 16:12:52 -0000
@@ -363,6 +363,7 @@
 function rules_core_action_execute_submit(&$settings, &$form, &$form_state) {
   $element = $form_state['element'];
   $info = rules_get_element_info($element);
+  $settings = (is_array($settings)) ? $settings : array();
   if ($info['configurable']) {
     $function = $info['action_name']. '_submit';
     $settings = $function($form['settings'], $form_state) + $settings;