Index: menu_per_role.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/menu_per_role/Attic/menu_per_role.module,v
retrieving revision 1.6.2.15
diff -d -u -r1.6.2.15 menu_per_role.module
--- menu_per_role.module	2 Jan 2011 00:44:23 -0000	1.6.2.15
+++ menu_per_role.module	3 Jan 2011 02:10:46 -0000
@@ -254,8 +254,18 @@
     $result = db_query("SELECT * FROM {menu_per_role}");
     while ($row = db_fetch_object($result)) {
       if ($row->rids || $row->hrids) {
-        $menu_per_role[$row->mlid][0] = explode(',', $row->rids);
-        $menu_per_role[$row->mlid][1] = explode(',', $row->hrids);
+        if ($row->rids) {
+          $menu_per_role[$row->mlid][0] = explode(',', $row->rids);
+        }
+        else {
+          $menu_per_role[$row->mlid][0] = array();
+        }
+        if ($row->hrids) {
+          $menu_per_role[$row->mlid][1] = explode(',', $row->hrids);
+        }
+        else {
+          $menu_per_role[$row->mlid][1] = array();
+        }
       }
     }
   }