Index: modules/field_ui/field_ui.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/field_ui/field_ui.module,v
retrieving revision 1.22
diff -u -r1.22 field_ui.module
--- modules/field_ui/field_ui.module	3 Jan 2010 21:01:04 -0000	1.22
+++ modules/field_ui/field_ui.module	16 Jan 2010 23:16:01 -0000
@@ -285,7 +285,9 @@
 function _field_ui_bundle_admin_path($obj_type, $bundle_name) {
   $bundles = field_info_bundles($obj_type);
   $bundle_info = $bundles[$bundle_name];
-  return isset($bundle_info['admin']['real path']) ? $bundle_info['admin']['real path'] : $bundle_info['admin']['path'];
+  if (isset($bundle_info['admin'])) {
+    return isset($bundle_info['admin']['real path']) ? $bundle_info['admin']['real path'] : $bundle_info['admin']['path'];
+  }
 }
 
 /**
Index: modules/field_ui/field_ui.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/field_ui/field_ui.admin.inc,v
retrieving revision 1.36
diff -u -r1.36 field_ui.admin.inc
--- modules/field_ui/field_ui.admin.inc	13 Jan 2010 05:43:01 -0000	1.36
+++ modules/field_ui/field_ui.admin.inc	16 Jan 2010 23:16:00 -0000
@@ -22,7 +22,7 @@
         $admin_path = _field_ui_bundle_admin_path($obj_type, $bundle);
         $rows[$field_name]['data'][0] = $field['locked'] ? t('@field_name (Locked)', array('@field_name' => $field_name)) : $field_name;
         $rows[$field_name]['data'][1] = t($field_types[$field['type']]['label']);
-        $rows[$field_name]['data'][2][] = l($bundles[$obj_type][$bundle]['label'], $admin_path . '/fields');
+        $rows[$field_name]['data'][2][] = $admin_path ? l($bundles[$obj_type][$bundle]['label'], $admin_path . '/fields') : $bundles[$obj_type][$bundle]['label'];
         $rows[$field_name]['class'] = $field['locked'] ? array('menu-disabled') : array('');
       }
     }