Index: branches/version-2_13-dev/data/class/pages/error/LC_Page_Error_DispError.php
===================================================================
--- branches/version-2_13-dev/data/class/pages/error/LC_Page_Error_DispError.php	(revision 22856)
+++ branches/version-2_13-dev/data/class/pages/error/LC_Page_Error_DispError.php	(revision 22923)
@@ -1,3 +1,2 @@
-<!-- -*- coding: utf-8 -*- -->
 <?php
 /*
@@ -75,4 +74,6 @@
     function action()
     {
+        SC_Response_Ex::sendHttpStatus(500);
+
         switch ($this->type) {
             case LOGIN_ERROR:
Index: branches/version-2_13-dev/data/class/pages/error/LC_Page_Error_SystemError.php
===================================================================
--- branches/version-2_13-dev/data/class/pages/error/LC_Page_Error_SystemError.php	(revision 22857)
+++ branches/version-2_13-dev/data/class/pages/error/LC_Page_Error_SystemError.php	(revision 22923)
@@ -72,4 +72,6 @@
     function action()
     {
+        SC_Response_Ex::sendHttpStatus(500);
+
         $this->tpl_error = 'システムエラーが発生しました。<br />大変お手数ですが、サイト管理者までご連絡ください。';
 
Index: branches/version-2_13-dev/data/class/pages/error/LC_Page_Error.php
===================================================================
--- branches/version-2_13-dev/data/class/pages/error/LC_Page_Error.php	(revision 22857)
+++ branches/version-2_13-dev/data/class/pages/error/LC_Page_Error.php	(revision 22923)
@@ -1,3 +1,3 @@
-<?php //-*- coding: utf-8 -*-
+<?php
 /*
  * This file is part of EC-CUBE
@@ -91,4 +91,6 @@
     function action()
     {
+        SC_Response_Ex::sendHttpStatus(500);
+
         switch ($this->type) {
             case PRODUCT_NOT_FOUND: