采购申请单新增如图字段后，录入数据超过两行，则提示如下错误：
[{"operation":"PUR_Requisition.MBIClick.tbSplitSave"}]
发生时间：12:01:58
错误来源： Kingdee.BOS.Core
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.BOS.Core.DynamicForm.DirtyManager.CanRemove(DynamicObject obj, Field field)
在 Kingdee.BOS.Core.DynamicForm.DirtyManager.ClearNoDataRow(EntryEntity entity, IList list, Boolean subEntryKeepOne)
在 Kingdee.BOS.Core.DynamicForm.DirtyManager.ClearNoDataRow()
在 Kingdee.BOS.Model.Bill.BillModel.Save(OperateOption option)
在 Kingdee.BOS.Business.Bill.Operation.Save.ExecuteBillOperation(OperateOption option)
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)
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