Warning: include_once(phing/Phing.php): failed to open stream: No such file or directory in D:\Apache2.2\htdocs\safexchange\workflow\engine\classes\class.pmPhing.php on line 34

Warning: include_once(): Failed opening 'phing/Phing.php' for inclusion (include_path='.;C:\php\pear') in D:\Apache2.2\htdocs\safexchange\workflow\engine\classes\class.pmPhing.php on line 34

Notice: Use of undefined constant PATH_THIRDPARTY - assumed 'PATH_THIRDPARTY' in D:\Apache2.2\htdocs\safexchange\workflow\engine\classes\class.pmPhing.php on line 35

Fatal error: Uncaught exception 'Exception' with message 'Fatal Error: Phing is not loaded!' in D:\Apache2.2\htdocs\safexchange\workflow\engine\classes\class.pmPhing.php:38
Stack trace:
#0 {main}
  thrown in D:\Apache2.2\htdocs\safexchange\workflow\engine\classes\class.pmPhing.php on line 38