IWorxStopWatch Error!!!

Hi,

I installed interworx my vps and not working.

I get PHP Fatal error: Class ‘IWorxStopwatch’ not found in /usr/local/interworx/include/iworx.conf.php on line 66 error.

please fix this error thank you.

[root@vps1 ~]# /home/interworx/bin/goiworx.pex
PHP Fatal error: Class ‘IWorxStopwatch’ not found in /usr/local/interworx/include/iworx.conf.php on line 66
[root@vps1 ~]# service iworx restart
Stopping InterWorx-web: [ TAMAM ]
Stopping InterWorx-db: [ TAMAM ]
Starting InterWorx-db: [ TAMAM ]
Starting InterWorx-web: [ TAMAM ]
Binding IP Aliases: [BAŞARISIZ]
PHP Fatal error: Class ‘IWorxStopwatch’ not found in /usr/local/interworx/include/iworx.conf.php on line 66
[root@vps1 ~]# service iworx restart
Stopping InterWorx-web: [ TAMAM ]
Stopping InterWorx-db: [ TAMAM ]
Starting InterWorx-db: [ TAMAM ]
Starting InterWorx-web: [ TAMAM ]
Binding IP Aliases: [BAŞARISIZ]
PHP Fatal error: Class ‘IWorxStopwatch’ not found in /usr/local/interworx/include/iworx.conf.php on line 66
[root@vps1 ~]# /home/interworx/bin/ip.pexYoujizz Pornhub Tubegalore

PHP Fatal error: Class ‘IWorxStopwatch’ not found in /usr/local/interworx/include/iworx.conf.php on line 66