K3CLOUD 5.1+10月份补丁 做销售订单变更单审核之后，点击业务操作，生效。提示：[{"operation":"SAL_SaleOrderChange_List.MBIClick.tbEffectiveNew"}]发生时间：16:26:59
错误来源： Kingdee.K3.SCM.Sal.Business.PlugIn
错误信息：未将对象引用设置到对象的实例。
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调用堆栈：
在 Kingdee.K3.SCM.Sal.Business.PlugIn.SaleOrderChangeList.DoActivation(SaleOrderChangeMgr mgr, OperateOption option)
在 Kingdee.K3.SCM.Sal.Business.PlugIn.SaleOrderChangeList.AfterDoOperation(AfterDoOperationEventArgs e)
在 Kingdee.BOS.Core.DynamicForm.PlugIn.DynamicFormViewPlugInProxy.FireAfterDoOperation(AfterDoOperationEventArgs e)
在 Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.AfterExcuteOperation(IOperationResult opResult, IOperationResult result, CallBackWfAfterOperation callbackwf)
在 Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Operation(CallBackWfAfterOperation callbackwf, IOperationResult result)
在 Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Execute(InvokeFormOperation4WfParam param, CallBackWfAfterOperation callbackwf)
在 Kingdee.BOS.Web.DynamicForm.AbstractDynamicWebFormView.InvokeFormOperation(String operationNumber)
在 Kingdee.BOS.Business.DynamicForm.BusinessService.ExcuteOperation.DoAction(FormBusinessServiceArgs e)
在 Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.InvokeServices(IDynamicFormView view, Object source, IEnumerable`1 services, Int32 actionType, String activeEntity, DynamicObject activeRow, Int32 rowIndex)
在 Kingdee.BOS.Web.DynamicForm.BusinessServiceCaller.InvokeFormBusiness(IDynamicFormView view, Object source, List`1 formBusinessServices, Int32 actionType, String entityKey, Int32 row)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.BarItemClick(String parentKey, String barItemKey, BarDataManager bar, Int32 bartype)
在 Kingdee.BOS.Web.List.ListView.MainBarItemClick(String barItemKey)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal
请帮忙看一下。