? 487842-user-array.patch
Index: domain.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/domain/domain.module,v
retrieving revision 1.40.2.28
diff -u -p -r1.40.2.28 domain.module
--- domain.module	31 May 2009 18:26:43 -0000	1.40.2.28
+++ domain.module	13 Jun 2009 18:17:40 -0000
@@ -1090,6 +1090,9 @@ function domain_form_alter($form_id, &$f
         $action = variable_get('domain_options', 0);
         $user_domains = array();
         $default_options = array();
+        if (!isset($user->domain_user)) {
+          $user->domain_user = array();
+        }
         foreach ($user->domain_user as $key => $value) {
           if (abs($value) > 0) {
             $user_domains[] = $value;