Index: omniture.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/omniture/omniture.module,v
retrieving revision 1.6.4.3
diff -u -p -r1.6.4.3 omniture.module
--- omniture.module	23 Sep 2009 23:18:18 -0000	1.6.4.3
+++ omniture.module	10 Nov 2009 22:26:52 -0000
@@ -50,9 +50,11 @@ function omniture_footer($main = 0) {
 
   // Check if we should track the currently active user's role
   $track = 0;
-  foreach ($user->roles as $role) {
-    $role = str_replace(' ', '_', $role);
-    $track += variable_get("omniture_track_{$role}", FALSE);
+  if (is_array($user->roles)) {
+    foreach ($user->roles as $role) {
+      $role = str_replace(' ', '_', $role);
+      $track += variable_get("omniture_track_{$role}", FALSE);
+    }
   }
 
   // Don't track page views in the admin sections, or for certain roles