XML request error: OK(200)

<?php
/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * This is the File Manager Connector for PHP.
 */

ob_start() ;

require('./config.php') ;
require('./util.php') ;
require('./io.php') ;
require('./basexml.php') ;
require('./commands.php') ;
require('./phpcompat.php') ;

if ( !$Config['Enabled'] )
   SendError( 1, 'This connector is disabled. Please check the "editor/filemanager/connectors/php/config.php" file' ) ;

DoResponse() ;

function DoResponse()
{
    if (!isset($_GET)) {
        global $_GET;
    }
   if ( !isset( $_GET['Command'] ) || !isset( $_GET['Type'] ) || !isset( $_GET['CurrentFolder'] ) )
      return ;

   // Get the main request informaiton.
   $sCommand      = $_GET['Command'] ;
   $sResourceType   = $_GET['Type'] ;
   $sCurrentFolder   = GetCurrentFolder() ;

   // Check if it is an allowed command 
   if ( ! IsAllowedCommand( $sCommand ) ) 
      SendError( 1, 'The "' . $sCommand . '" command isn\'t allowed' ) ;

   // Check if it is an allowed type.
   if ( !IsAllowedType( $sResourceType ) )
      SendError( 1, 'Invalid type specified' ) ;

   // File Upload doesn't have to Return XML, so it must be intercepted before anything.
   if ( $sCommand == 'FileUpload' )
   {
      FileUpload( $sResourceType, $sCurrentFolder, $sCommand ) ;
      return ;
   }

   CreateXmlHeader( $sCommand, $sResourceType, $sCurrentFolder ) ;

   // Execute the required command.
   switch ( $sCommand )
   {
      case 'GetFolders' :
         GetFolders( $sResourceType, $sCurrentFolder ) ;
         break ;
      case 'GetFoldersAndFiles' :
         GetFoldersAndFiles( $sResourceType, $sCurrentFolder ) ;
         break ;
      case 'CreateFolder' :
         CreateFolder( $sResourceType, $sCurrentFolder ) ;
         break ;
   }

   CreateXmlFooter() ;

   exit ;
}
?>