Cloud6.0+PT101237
手工新增的采购入库单，审核报错，但是单据已审核。用关联单据下推，审核也报同样的错。错误截图及详细信息如下
请大神帮我分析一下问题原因，感谢！
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[{"operation":"STK_InStock_List.MBIClick.tbSplitApprove"}]
发生时间：17:47:28
错误来源： Kingdee.BOS.ServiceHelper
错误信息：Object reference not set to an instance of an object.
===================================================
调用堆栈：
Server stack trace:
at Kingdee.K3.FIN.AP.App.ServicePlugIn.InStockToPayableWhenAudit.OnInitTargetBillWithConvertRuleDic()
at Kingdee.K3.FIN.App.Core.AbstractOperationProduceBill.OnInit(DynamicObject[] objs)
at Kingdee.K3.FIN.App.Core.AbstractOperationProduceBill.AfterExecuteOperationTransaction(AfterExecuteOperationTransaction e)
at Kingdee.BOS.App.Core.PlugInProxy.OperationServicePlugInProxy.FireAfterExecuteOperationTransaction(AfterExecuteOperationTransaction e)
at Kingdee.BOS.App.Core.AbstractOprerationService.DoExcete()
at Kingdee.BOS.App.Core.AbstractOprerationService.Excute(Object[] ids)
at Kingdee.BOS.App.Core.SetStatusService.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)
Exception rethrown at [0]:
at Kingdee.BOS.ServiceHelper.BusinessDataServiceHelper.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)
at Kingdee.BOS.Business.Bill.Operation.AbstractStatusConvert.BatStatusConvert(Int32 loopTimes, Int32 iBat, Object[] ids, List`1 paras)
at Kingdee.BOS.Business.Bill.Operation.AbstractStatusConvert.ExecuteStatusConvert(List`1 paras)
at Kingdee.BOS.Business.Bill.Operation.Audit.AuditIdeaPrompt()
at Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Operation(CallBackWfAfterOperation callbackwf, IOperationResult result)
at Kingdee.BOS.Core.DynamicForm.AbstractDynamicFormOperation.Execute(InvokeFormOperation4WfParam param, CallBackWfAfterOperation callbackwf)
at Kingdee.BOS.Web.DynamicForm.AbstractDynamicWebFormView.InvokeFormOperation(String operationNumber)
at Kingdee.BOS.Business.DynamicForm.BusinessService.ExcuteOperation.DoAction(FormBusinessServiceArgs e)
at Kingdee.BOS.Core.DynamicForm.FormBusinessServiceUtil.InvokeServices(IDynamicFormView view, Object source, IEnumerable`1 services, Int32 actionType, String activeEntity, DynamicObject activeRow, Int32 rowIndex)
at Kingdee.BOS.Web.DynamicForm.BusinessServiceCaller.InvokeFormBusiness(IDynamicFormView view, Object source, List`1 formBusinessServices, Int32 actionType, String entityKey, Int32 row)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.BarItemClick(String parentKey, String barItemKey, BarDataManager bar, Int32 bartype)
at Kingdee.BOS.Web.List.ListView.MainBarItemClick(String barItemKey)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal
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