关于“水晶报表”报错的问题

我下载了一套.net基于C#的OA系统，打算研究，但是调试源代码的时候系统却出现错误！应该是关于水晶报表的错误，提示如下：
//////////////////////////////////////////////////////////////////////////////////////////
Server Error in '/uds' Application.
--------------------------------------------------------------------------------Configuration Error 
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: File or assembly name CrystalDecisions.Shared, or one of its dependencies, was not found.Source Error: 
Line 8:   <system.web>
Line 9:   <compilation defaultLanguage="c#" debug="true">
Line 10:  <!-- <assemblies><add assembly="CrystalDecisions.CrystalReports.Engine, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/><add assembly="CrystalDecisions.ReportSource, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/><add assembly="CrystalDecisions.Shared, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/><add assembly="CrystalDecisions.Web, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/></assemblies>--><assemblies><add assembly="CrystalDecisions.CrystalReports.Engine, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/><add assembly="CrystalDecisions.ReportSource, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/><add assembly="CrystalDecisions.Shared, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/><add assembly="CrystalDecisions.Web, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/></assemblies></compilation>
Line 11:  <customErrors defaultRedirect="Error.aspx" mode="Off"/>
Line 12:  <authentication mode="Forms">
 Source File: C:\Inetpub\wwwroot\web.config    Line: 10 Assembly Load Trace: The following information can be helpful to determine why the assembly 'CrystalDecisions.Shared' could not be loaded.
=== Pre-bind state information ===
LOG: DisplayName = CrystalDecisions.Shared, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304
 (Fully-specified)
LOG: Appbase = file:///C:/Inetpub/wwwroot/uds
LOG: Initial PrivatePath = bin
Calling assembly : (Unknown).
===LOG: Publisher policy file is not found.
LOG: No redirect found in host configuration file (C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\aspnet.config).
LOG: Using machine configuration file from C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\config\machine.config.
LOG: Post-policy reference: CrystalDecisions.Shared, Version=9.1.5000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/uds/c9b74929/488a83e7/CrystalDecisions.Shared.DLL.
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/uds/c9b74929/488a83e7/CrystalDecisions.Shared/CrystalDecisions.Shared.DLL.
LOG: Attempting download of new URL file:///C:/Inetpub/wwwroot/uds/bin/CrystalDecisions.Shared.DLL.
LOG: Attempting download of new URL file:///C:/Inetpub/wwwroot/uds/bin/CrystalDecisions.Shared/CrystalDecisions.Shared.DLL.
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/uds/c9b74929/488a83e7/CrystalDecisions.Shared.EXE.
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/uds/c9b74929/488a83e7/CrystalDecisions.Shared/CrystalDecisions.Shared.EXE.
LOG: Attempting download of new URL file:///C:/Inetpub/wwwroot/uds/bin/CrystalDecisions.Shared.EXE.
LOG: Attempting download of new URL file:///C:/Inetpub/wwwroot/uds/bin/CrystalDecisions.Shared/CrystalDecisions.Shared.EXE.
////////////////////////////////////////////////////////////////////////////////////////我已经安装了水晶报表V10,是不是哪里需要设置？还是安装的版本不对？