登录提示:An item with the same key has already been added

k3 cloud 6.0 打过6.1 8月11日的补丁，登录提示：An item with the same key has already been added
具体操作提示：
at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
at System.Collections.Generic.Dictionary`2.OnDeserialization(Object sender)
at System.Runtime.Serialization.DeserializationEventHandler.Invoke(Object sender)
at System.Runtime.Serialization.ObjectManager.RaiseDeserializationEvent()
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, IMethodCallMessage methodCallMessage)
at Kingdee.BOS.ServiceFacade.BinaryFormatterProxy.Deserialize(String content, Type type)
at Kingdee.BOS.ServiceFacade.SerializerProxy.Deserialize(String content, Type type)
at Kingdee.BOS.ServiceFacade.SerializerProxy`1.Deserialize(String content)
at Kingdee.BOS.MC.ServiceFacade.KDServiceClient.ProductModelManagerProxy.GetProductModel(Context ctx, String strTenantId, Boolean isReLoadLicByKDCloud)
at Kingdee.BOS.App.Security.K3DataCenterService.GetProductModel(Context ctx)
at Kingdee.BOS.App.Security.K3DataCenterService.IsBoughtenUszhHK(Context ctx)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.<>c__DisplayClass1`1.b__0(AsyncResult`1 asyncResult)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.<>c__DisplayClass4`1.b__3(String content, Boolean isSuccess)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.<>c__DisplayClassa.b__9(AsyncResult`1 result)
位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDWebRequest.GetResponseCallback(IAsyncResult result)
位于 System.Net.Browser.ClientHttpWebRequest.<>c__DisplayClass1a.b__18(Object state2)
位于 System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
位于 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
位于 System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
位于 System.Threading.ThreadPoolWorkQueue.Dispatch()
位于 System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()