审批流启用后，填写单据提交报错

本机为SQL2008 R2，启用销售订单审批流程后，销售订单提交报错：
发生时间：10:45:49
错误来源： Kingdee.BOS.Workflow.App.Core
错误信息：分布式事务异常，请检查web服务器是否安装了ODAC组件
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调用堆栈：
at Kingdee.BOS.Workflow.App.Core.BOSWorkflowService.BillSubmit(DynamicObject obj, Context ctx, TemplateVer PrcTemplate, Nullable`1 originatorPostId, BusinessInfo businessInfo, OperateOption option)
at Kingdee.BOS.Workflow.ServiceHelper.BOSWorkflowServiceHelper.BillSubmit(DynamicObject obj, Context ctx, TemplateVer PrcTemplate, Nullable`1 originatorPostId, BusinessInfo businessInfo, OperateOption option)
at Kingdee.BOS.Business.Bill.Operation.Submit.DoWorkflowSubmit(IOperationResult fullResult, String[] ids)
at Kingdee.BOS.Business.Bill.Operation.Submit.DoSubmit(IOperationResult fullResult)
at Kingdee.BOS.Business.Bill.Operation.Submit.ExecuteBillOperation(OperateOption option)
at Kingdee.BOS.Business.Bill.Operation.Submit.ExecuteOperation()
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.OperationCaller.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.DynamicForm.DynamicWebFormView.MainBarItemClick(String barItemKey)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal