Warning: main(Smarty.class.php): failed to open stream: No such file or directory in /usr/share/web/hoopeditor/cgi-bin/MT/php/lib/MTViewer.php on line 8

Warning: main(): Failed opening 'Smarty.class.php' for inclusion (include_path='/usr/share/web/hoopeditor/cgi-bin/MT/php/plugins:/usr/share/web/hoopeditor/cgi-bin/MT/php/lib:/usr/share/web/hoopeditor/cgi-bin/MT/php/extlib:/usr/share/web/hoopeditor/cgi-bin/MT/php/extlib/smarty/libs:.:/usr/local/lib/php') in /usr/share/web/hoopeditor/cgi-bin/MT/php/lib/MTViewer.php on line 8

Fatal error: Class mtviewer: Cannot inherit from undefined class smarty in /usr/share/web/hoopeditor/cgi-bin/MT/php/lib/MTViewer.php on line 9