执行计划执行出错！

执行计划执行出错, 帐套Id:6cae8b3bddf58de411e4ea91fb567dc6 帐套名称: XXXX账套, 执行计划Id:00505694227aa9f011e39df493c2593e, 执行时间:2015-04-27 01:30:01,
System.TypeLoadException: Method 'RemoveRelationBillNo' in type 'Kingdee.K3.SCM.App.DRP.Core.CPCMService' from assembly 'Kingdee.K3.SCM.App.DRP.Core, Version=3.0.39.3, Culture=neutral, PublicKeyToken=null' does not have an implementation.
at System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMarkHandle stackMark, Boolean loadTypeFromPartialName, ObjectHandleOnStack type)
at System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark& stackMark, Boolean loadTypeFromPartialName)
at System.Type.GetType(String typeName)
at Kingdee.BOS.TypesContainer.b__0(String tp)
at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
at Kingdee.BOS.Rpc.LocalAccess.CreateObject[T](String sClassName)
at Kingdee.BOS.ServicesContainer.<>c__DisplayClass3`1.b__2(String inface)
at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
at Kingdee.BOS.ServicesContainer.GetService[T](String interfaceName, String url)
at Kingdee.K3.SCM.Contracts.ServiceFactory.GetService[T](Context ctx, String url)
at Kingdee.K3.SCM.App.DRP.Core.CPCMAutoSynBackGroundService.Run(Context ctx, Schedule schedule)
at Kingdee.BOS.App.Core.ScheduleService.ScheduleService.RunSchedule(Context ctx, Schedule schedule)
at Kingdee.BOS.ScheduleService.BackgroundJob.DoTask(Object scheduleObj)