物料清单部分情况下会出现在树形维护中，点击“全部提...

求助：cloud6.0+4月29号补丁；
物料清单部分情况下会出现在树形维护中，点击“全部提交”报错；如图；树形维护中点击“全部提交”报错的问题，每个月会出现一两次，已经连续五六个月了，发帖也发了多次了，一致没有反馈处理；；；

An item with the same key has already been added.

[{"operation":"ENG_BOMTREE.MBIClick.tbAllSubmit"}]
发生时间：23:29:20
错误来源： mscorlib
错误信息：An item with the same key has already been added.
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调用堆栈：
at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector)
at Kingdee.K3.MFG.ENG.Business.PlugIn.DynamicForm.BomTree.DoStartBomNetworkCtrl(List`1 lstBomId, List`1& networkCtrlResults)
at Kingdee.K3.MFG.ENG.Business.PlugIn.DynamicForm.BomTree.DoStartParentBomNetworkCtrl(List`1 lstBomId, List`1& networkCtrlResults)
at Kingdee.K3.MFG.ENG.Business.PlugIn.DynamicForm.BomTree.DoBachOper(String oper)
at Kingdee.K3.MFG.ENG.Business.PlugIn.DynamicForm.BomTree.BarItemClick(BarItemClickEventArgs e)
at Kingdee.BOS.Core.DynamicForm.PlugIn.DynamicFormViewPlugInProxy.FireBarItemClick(BarItemClickEventArgs e)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.BarItemClick(String parentKey, String barItemKey, BarDataManager bar, Int32 bartype)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.MainBarItemClick(String barItemKey)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal