在访问启用变体的网站是出现的错误

Question

Sharepoint 日志文件中的记录:

05/06/2010 01:49:27.66  w3wp.exe (0x1FC4)                        0x1A4C Windows SharePoint Services    General                        8nca Verbose  Application error when access /Pages/VariationRoot.aspx, Error=给定关键字不在字典中。   在 System.ThrowHelper.ThrowKeyNotFoundException()     在 System.Collections.Generic.Dictionary`2.get_Item(TKey key)     在 Microsoft.SharePoint.Publishing.PublishingWeb.get_VariationLabelsListId()     在 Microsoft.SharePoint.Publishing.Internal.VariationSettings.get_VariationLabelsList()     在 Microsoft.SharePoint.Publishing.Internal.VariationSettings.InitializeLabels()     在 Microsoft.SharePoint.Publishing.Internal.VariationSettings.get_SpawnedLabels()     在 Microsoft.SharePoint.Publishing.WebControls.VariationsRootLandingRunTime.<>c__DisplayClass1.<Render>b__0()     在 Microsoft.SharePoint.SPSecurity.CodeToRunElevatedWrapper(Object state)     在 Microsoft.SharePoint.SPSecurity.<>c__DisplayClass4.<RunWithElevatedPrivil... 
05/06/2010 01:49:27.66* w3wp.exe (0x1FC4)                        0x1A4C Windows SharePoint Services    General                        8nca Verbose  ...eges>b__2()     在 Microsoft.SharePoint.Utilities.SecurityContext.RunAsProcess(CodeToRunElevated secureCode)     在 Microsoft.SharePoint.SPSecurity.RunWithElevatedPrivileges(WaitCallback secureCode, Object param)     在 Microsoft.SharePoint.SPSecurity.RunWithElevatedPrivileges(CodeToRunElevated secureCode)     在 Microsoft.SharePoint.Publishing.WebControls.VariationsRootLandingRunTime.Render(HtmlTextWriter output)     在 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)     在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)     在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer)     在 System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)     在 System.Web.UI.Control.RenderChild... 
05/06/2010 01:49:27.66* w3wp.exe (0x1FC4)                        0x1A4C Windows SharePoint Services    General                        8nca Verbose  ...ren(HtmlTextWriter writer)     在 System.Web.UI.Control.Render(HtmlTextWriter writer)     在 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)     在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)     在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer)     在 System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)     在 System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)     在 System.Web.UI.Page.Render(HtmlTextWriter writer)     在 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)     在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)     在 System.Web.UI.Control.RenderControl(HtmlTextWriter writ... 
05/06/2010 01:49:27.66* w3wp.exe (0x1FC4)                        0x1A4C Windows SharePoint Services    General                        8nca Verbose  ...er)     在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 

/************************************************/
/*跟踪到的Microsoft.SharePoint.Publishing.dll的代码如下：*/
/*internal Guid VariationLabelsListId { get; set; } */
/*Declaring Type: Microsoft.SharePoint.Publishing.PublishingWeb */
/*Assembly: Microsoft.SharePoint.Publishing, Version=12.0.0.0 */
/************************************************/
internal Guid VariationLabelsListId
{
    get
    {
        Guid empty = Guid.Empty;
        CacheManager manager = CacheManager.GetManager(this.Web.Site);
        if (this.allWebProperties == null)
        {
            CachedArea tryGetRootArea = manager.ObjectFactory.TryGetRootArea;
            if (tryGetRootArea != null)
            {
                string str = tryGetRootArea.Properties["_VarLabelsListId"].ToString();
                if (!string.IsNullOrEmpty(str))
                {
                    empty = new Guid(str);
                }
            }
        }
        if (!(empty == Guid.Empty))
        {
            return empty;
        }
        return this.GetGuidProperty("_VarLabelsListId", Guid.Empty);
    }
    set
    {
        this.SetGuidProperty("_VarLabelsListId", value);
    }
}

难到是找不到这个_VarLabelsListId的属性？但是为什么会找不到呢？怎么解决呢？请大家帮帮忙！谢谢！

 Thanks.