财务报表模板报错 Object reference not set to an instance of an object.

cloud5.0 已打5月最新补丁， 财务报表模板打不开， Object reference not set to an instance of an object. 之前使用正常，导致已生成的报表也不打开，提示一样

详细信息：发生时间： 2016年7月14日 16:47:53
错误来源： Kingdee.BOS.KDSReport
错误信息： Object reference not set to an instance of an object.
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调用堆栈：
at Kingdee.BOS.KDSReport.frmSpread.KDS_KDSActiveSheetChangedHandler(Object osender, EventArgs e)
at FarPoint.Win.Spread.FpSpread.OnActiveSheetChanged(EventArgs e)
at FarPoint.Win.Spread.FpSpread.r()
at FarPoint.Win.Spread.SpreadView.a(Object A_0, CollectionChangeEventArgs A_1)
at System.ComponentModel.CollectionChangeEventHandler.Invoke(Object sender, CollectionChangeEventArgs e)
at FarPoint.Win.Spread.SheetViewCollection.a(CollectionChangeAction A_0, Object A_1)
at FarPoint.Win.Spread.SheetViewCollection.RemoveAt(Int32 index)
at FarPoint.Win.Spread.SheetViewCollection.Remove(SheetView sheetView)
at FarPoint.Win.Spread.SheetViewCollection.Clear()
at Kingdee.BOS.WinForm.KDS20Lib.KDSWorkBook.Open(Byte[] byteData)
at Kingdee.BOS.WinForm.KDSReportCtl.ReportCtl.InitFromEKDReport(EKDReport report)
at Kingdee.BOS.KDSReport.ReportOpener.OpenReportCallBack(EKDReport report)
错误数据： System.Collections.ListDictionaryInternal