I have downloaded and unzipped the YAF-v1.9.3-FINAL-SRC.zip. While started the project from Visual Studio 2008 i received such errors. Please give me an advice, what should i do to fix them?
__________________________________________________________________________________________
Error 1 'YAF.Classes.Data.QueryCounter' does not contain a definition for 'Count' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YAF.Controls\Footer.cs 128 99 YAF.Controls
Error 2 'YAF.Classes.Data.QueryCounter' does not contain a definition for 'Duration' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YAF.Controls\Footer.cs 128 119 YAF.Controls
Error 3 'YAF.Classes.Data.QueryCounter' does not contain a definition for 'Duration' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YAF.Controls\Footer.cs 128 150 YAF.Controls
Error 4 'YAF.Classes.Data.QueryCounter' does not contain a definition for 'Commands' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YAF.Controls\Footer.cs 128 186 YAF.Controls
Error 5 'YAF.Classes.Data.QueryCounter' does not contain a definition for 'Reset' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YAF.Classes\YAF.Classes.Base\ForumPage.cs 154 17 YAF.Classes.Base
Error 6 The type 'System.Web.UI.ScriptManager' exists in both 'c:\Users\EIRIC\AppData\Local\Temp\Temporary ASP.NET Files\yetanotherforum.net\1e816f6b\fb153e7e\assembly\dl3\b9d8306c\002673d5_a5c0c901\System.Web.Extensions.DLL' and 'c:\Windows\assembly\GAC_MSIL\System.Web.Extensions\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YetAnotherForum.NET\App_Code\YAF\Forum.cs 87 10 C:\...\YetAnotherForum.NET\
Error 7 The type 'System.Web.UI.ScriptManager' exists in both 'c:\Users\EIRIC\AppData\Local\Temp\Temporary ASP.NET Files\yetanotherforum.net\1e816f6b\fb153e7e\assembly\dl3\b9d8306c\002673d5_a5c0c901\System.Web.Extensions.DLL' and 'c:\Windows\assembly\GAC_MSIL\System.Web.Extensions
\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YetAnotherForum.NET\App_Code\YAF\Forum.cs 90 6 C:\...\YetAnotherForum.NET\
Error 8 The type 'System.Web.UI.ScriptManager' exists in both 'c:\Users\EIRIC\AppData\Local\Temp\Temporary ASP.NET Files\yetanotherforum.net\1e816f6b\fb153e7e\assembly\dl3\b9d8306c\002673d5_a5c0c901\System.Web.Extensions.DLL' and 'c:\Windows\assembly\GAC_MSIL\System.Web.Extensions\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YetAnotherForum.NET\App_Code\YAF\Forum.cs 90 43 C:\...\YetAnotherForum.NET\
Error 9 The type 'System.Web.UI.ScriptManager' exists in both 'c:\Users\EIRIC\AppData\Local\Temp\Temporary ASP.NET Files\yetanotherforum.net\1e816f6b\fb153e7e\assembly\dl3\b9d8306c\002673d5_a5c0c901\System.Web.Extensions.DLL' and 'c:\Windows\assembly\GAC_MSIL\System.Web.Extensions\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll' C:\Users\EIRIC\Documents\Visual Studio 2008\Projects\forum_new\YetAnotherForum.NET\App_Code\YAF\ForumEditor.cs 318 4 C:\...\YetAnotherForum.NET\