发生时间：14:41:55
错误来源： Kingdee.BOS.ServiceHelper
错误信息：未将对象引用设置到对象的实例。
===================================================
调用堆栈：
Server stack trace:
在 Kingdee.K3.SCM.App.Pur.ServicePlugIn.PurchaseOrder.PayBillWriteBackCommon.InstallmentRowInfo.SetPrePayAmount(Context ctx, Int64 billId, List`1& installmentRowInfoList)
在 Kingdee.K3.SCM.App.Pur.ServicePlugIn.PurchaseOrder.PayBillWriteBackCommon.InstallmentRowInfo.GetInstallmentPrePayList(Context ctx, Int64 billId, DynamicObjectCollection installment)
在 Kingdee.K3.SCM.App.Pur.ServicePlugIn.PurchaseOrder.PayBillWriteBackCommon.WriteBackPayBill(Context ctx, Int64 billId, String billno, DynamicObjectCollection installment)
在 Kingdee.K3.SCM.App.Pur.ServicePlugIn.PurchaseOrder.Audit.EndOperationTransaction(EndOperationTransactionArgs e)
在 Kingdee.BOS.App.Core.PlugInProxy.OperationServicePlugInProxy.FireEndOperationTransaction(EndOperationTransactionArgs e)
在 Kingdee.BOS.App.Core.AbstractOprerationService.CallOperation(DynamicObject[]& objs)
在 Kingdee.BOS.App.Core.AbstractOprerationService.CallOperatinTransaction(DynamicObject[] objs)
在 Kingdee.BOS.App.Core.AbstractOprerationService.DoExcete()
在 Kingdee.BOS.App.Core.AbstractOprerationService.Excute(Object[] ids)
在 Kingdee.BOS.App.Core.SetStatusService.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)
Exception rethrown at [0]:
在 Kingdee.BOS.ServiceHelper.BusinessDataServiceHelper.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)
在 Kingdee.BOS.Business.Bill.Operation.AbstractStatusConvert.ExecuteBillOperation(List`1 paras, OperateOption option)
在 Kingdee.BOS.Business.Bill.Operation.AbstractStatusConvert.ExecuteStatusConvert(List`1 paras)
在 Kingdee.BOS.Business.Bill.Operation.Audit.AuditIdeaPrompt()
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.OperationCaller.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.DynamicForm.DynamicWebFormView.MainBarItemClick(String barItemKey)
在 Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal
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