Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.258
diff -u -r1.258 menu.inc
--- includes/menu.inc	6 Feb 2008 19:52:54 -0000	1.258
+++ includes/menu.inc	10 Feb 2008 01:08:26 -0000
@@ -313,7 +313,7 @@
     $parts = array_slice($original_map, 0, MENU_MAX_PARTS);
     list($ancestors, $placeholders) = menu_get_ancestors($parts);
 
-    if ($router_item = db_fetch_array(db_query_range('SELECT * FROM {menu_router} WHERE path IN ('. implode (',', $placeholders) .') ORDER BY fit DESC', $ancestors, 0, 1))) {
+    if (!empty($placeholders) && $router_item = db_fetch_array(db_query_range('SELECT * FROM {menu_router} WHERE path IN ('. implode(',', $placeholders) .') ORDER BY fit DESC', $ancestors, 0, 1))) {
       $map = _menu_translate($router_item, $original_map);
       if ($map === FALSE) {
         $router_items[$path] = FALSE;