SQL db connection problem

Dear colleagues,

I have downloaded the Web Wiz Guide - Web Wiz Forums release v8.04 (MS SQL Server)

I want to use it in my local intranet. I have installed IIS and put the forum folder in C:\Inetpub\wwwroot\Forum_SQL and also created in database in SQL server with the name “ForumSQL”, whever I want log on to admin, I am getting the below error messge:

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Server Error in Forum Application
An error initialising Global Variables from database.
Please contact the forum administrator.

Support Error Code:- err_SQLServer_getForumConfigurationData()_get_global_variables
File Name:- global_variables_inc.asp

Error details:-
ADODB.Recordset
Operation is not allowed when the object is closed.

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any idea for solving the a/m problem.

Thanks in advance