Created Unassigned: System.OperationCanceledException [27523]

These error come after using the July 2013 release, as same as my previous issues (#27519, #27518)

例外狀況資訊:
例外狀況型別: System.OperationCanceledException
例外狀況訊息: Script entries not loaded yet.

執行緒資訊:
堆疊追蹤: 於 AjaxControlToolkit.ToolkitScriptManagerCombiner.IsScriptRegistered(ScriptReference scriptReference)
於 AjaxControlToolkit.ToolkitScriptManager.OnPreRender(EventArgs e)
於 System.Web.UI.Control.PreRenderRecursiveInternal()
於 System.Web.UI.Control.PreRenderRecursiveInternal()
於 System.Web.UI.Control.PreRenderRecursiveInternal()
於 System.Web.UI.Control.PreRenderRecursiveInternal()
於 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)