Some Plugins/Snippets not working after moving Site to a new Server!

/*
 *  Written by: Adam Crownoble
 *  Contact: [email protected]
 *  Created: 8/14/2005
 *  Updated: 11/27/2005 - Added support for show Manager & Help links option
 *  Updated: 12/05/2005 - Added support for editable fields as a module configuration option
 *  For: MODx cms (modxcms.com)
 *  Name: QuickEdit
 *  Description: Renders QuickEdit links in the frontend
 *  Shared parameters from: QuickEdit module
 *  Events: OnParseDocument, OnWebPagePrerender
 */

/*
                             License

QuickEdit - A MODx module which allows the editing of content via
            the frontent of the site
Copyright (C) 2005  Adam Crownoble

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

*/

// Don't do anything if we aren't logged in
if(isset($_SESSION['mgrValidated']) && $_SESSION['mgrValidated']) {
 // Set configuration variables if not already set
 if(!isset($mod_path)) { $mod_path = $modx->config['base_path'].'assets/modules/quick_edit'; }
 if(!isset($show_manager_link)) { $show_manager_link = 1; }
 if(!isset($show_help_link)) { $show_help_link = 1; }
 if(!isset($editable)) { $editable = 'pagetitle,longtitle,description,content,alias,introtext,menutitle,published,hidemenu,menuindex,searchable,cacheable'; }

 // If we can't find the module files...
 if(!file_exists($mod_path)) {

  // Only log the error if we haven't already logged it...
  if(!isset($GLOBALS['quick_edit_not_found_sent'])) {

   // Set a global variable so that we can only log this once
   $GLOBALS['quick_edit_not_found_sent'] = true;

   // Log an error
   $error_message = '<strong>QuickEdit module not found!</strong></p><p>Edit the QuickEdit module, click the Configuration tab and change the Module Path to point to the module.</p>';
   $modx->logEvent(0, 3, $error_message, 'QuickEditor');

  }

 } else {

  // Set globals from QE Module's shared paramaters so we can get them from the frontend
  $GLOBALS['qe_show_manager_link'] = $show_manager_link;
  $GLOBALS['qe_show_help_link'] = $show_help_link;
  $GLOBALS['qe_editable'] = $editable;

  // Set the mod_path as a global variable
  $GLOBALS['quick_edit_path'] = $mod_path;
  if (!class_exists('Output')) include_once($mod_path.'/output.class.inc.php');

  $outputObject = new Output;

  switch($modx->Event->name) {

   case 'OnParseDocument' :

    $outputObject->output = $modx->documentOutput;

    // Merge QuickEdit comment into the output
    $outputObject->mergeTags();

    break;

   case 'OnWebPagePrerender' :

    $outputObject->output = &$modx->documentOutput;

    include_once($mod_path.'/module.class.inc.php');
    $module = new Module;
    $module->getIdFromDependentPluginName($modx->Event->activePlugin);

    // Replace QuickEdit comments with QuickEdit links
    $outputObject->mergeLinks($module->id);

    break;

  }

  // Set the event output
  $modx->documentOutput = $outputObject->output;

  // Logout ?
  $qe_logout= (isset($_GET['QuickEdit_logout'])? $_GET['QuickEdit_logout']: '');
  if($qe_logout == 'logout') {
   $_SESSION = array();
  }

 }

}