At a rough guess I would say welcome to the club of some people trying to inject coding
2009-03-16 07:06:41 - 121.23.120.49 - Guest - ERROR - File: functions_filters.asp - Error Details: err_SQLServer_SqlInjectionTest() - -
2009-03-16 07:06:42 - 121.23.120.49 - Guest - ERROR - File: functions_filters.asp - Error Details: err_SQLServer_SqlInjectionTest() - -
2009-03-16 07:06:43 - 121.23.120.49 - Guest - ERROR - File: functions_filters.asp - Error Details: err_SQLServer_SqlInjectionTest() - -
The good news is though that you can see the IP address (as in my example above) similar to your own, and in your case the IP is logged from China, and funnily enough so is mine
You could just add the IP to your banned list or just rejoice in the fact that the software is great and whilst these people tried injecting malicious code into your forum it failed