应收收款核销时报错

程序版本：V6.1 版本，并使用最新库补丁。
在做应收收款核销时，选择“直接核销”，点“下一步”即报如下错误：

访问服务器时发生错误，
错误提示：The remote server returned an error: (404) Not Found.，
URL地址：[http://localhost/K3CloudApp/Kingdee.BOS.ServiceFacade.ServicesStub.Computing.BackAppService.SubmitTask.common.kdsvc]

[{"operation":"AR_Matck.ButtonClick"}]
发生时间：16:38:32
错误来源： Kingdee.K3.FIN.Business.PlugIn
错误信息：访问服务器时发生错误，
错误提示：The remote server returned an error: (404) Not Found.，
URL地址：[http://localhost/K3CloudApp/Kingdee.BOS.ServiceFacade.ServicesStub.Computing.BackAppService.SubmitTask.common.kdsvc]
===================================================
调用堆栈：
Server stack trace:
at Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.DoPost(KDBaseRequest kdrequest)
at Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.Execute[T](KDBaseRequest request)
at Kingdee.K3.FIN.App.Core.Match.MatchService.Match(Context ctx, MatchParameters para)
Exception rethrown at [0]:
at Kingdee.K3.FIN.Business.PlugIn.Match.AutoStencilWizardEdit.CallCalService()
at Kingdee.K3.FIN.Business.PlugIn.Match.AutoStencilWizardEdit.WizardStepChanging(WizardStepChangingEventArgs e)
at Kingdee.BOS.Core.DynamicForm.PlugIn.WizardForm.WizardFormViewPlugInProxy.FireWizardStepChanging(WizardStepChangingEventArgs e)
at Kingdee.BOS.Web.DynamicForm.WizardForm.WizardWebFormView.set_CurrentWizardStep(WizardStepAppearance value)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.ButtonClick(String key, String menuKey)