BOS下演示帐套中的单据打开或复制出错！（已解决）

Cloud初学者，在BOS下演示帐套 中的单据和基础资料打开或复制都会出错

请教一下如何解决？是演示帐套安装的问题么？

错误信息如下：

发生时间： 2013年9月3日 08:36:27
错误来源： mscorlib
错误信息： Object of type 'Kingdee.BOS.LocaleValue' cannot be converted to type 'System.String'.
===================================================
调用堆栈：
at System.RuntimeType.TryChangeType(Object value, Binder binder, CultureInfo culture, Boolean needsSpecialCast)
at System.RuntimeType.CheckValue(Object value, Binder binder, CultureInfo culture, BindingFlags invokeAttr)
at System.Reflection.RtFieldInfo.UnsafeSetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
at System.Runtime.Serialization.SerializationFieldInfo.InternalSetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
at System.Runtime.Serialization.FormatterServices.SerializationSetValue(MemberInfo fi, Object target, Object value)
at System.Runtime.Serialization.ObjectManager.CompleteObject(ObjectHolder holder, Boolean bObjectFullyComplete)
at System.Runtime.Serialization.ObjectManager.DoNewlyRegisteredObjectFixups(ObjectHolder holder)
at System.Runtime.Serialization.ObjectManager.RegisterObject(Object obj, Int64 objectID, SerializationInfo info, Int64 idOfContainingObj, MemberInfo member, Int32[] arrayIndex)
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.RegisterObject(Object obj, ParseRecord pr, ParseRecord objectPr, Boolean bIsString)
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.ParseObjectEnd(ParseRecord pr)
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.Parse(ParseRecord pr)
at System.Runtime.Serialization.Formatters.Binary.__BinaryParser.Run()
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 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.ServiceFacade.KDServiceClient.KDServiceClient.doExecuteAsync[T](KDBaseRequest request, Action`1 callback)
at Kingdee.BOS.ServiceFacade.KDServiceClient.KDServiceClient.Execute[T](KDBaseRequest request)
at Kingdee.BOS.ServiceFacade.KDServiceClient.BaseServiceProxy.ExecuteService[T](String method, Object[] args)
at Kingdee.BOS.ServiceFacade.KDServiceClient.Metadata.MetadataServiceProxy.Load(String id, Boolean bRuntime)
at Kingdee.BOS.DomainModelDesigner.Model.MetaDataDesinerModel..ctor(Context ctx, String formID, DomainModel domainModel, Boolean bRuntime)
at Kingdee.BOS.DomainModelDesigner.View.DynamicFormDesigner.CreateDesignerModel(Object data)
at Kingdee.BOS.DomainModelDesigner.View.DynamicFormDesigner.CreateView(IViewManager viewManager, DomainModel domainModel, Object data)
at Kingdee.BOS.DomainModelDesigner.ViewManager.OpenForm(SolutionNode currNode, Enu_SolutionAction action)
at Kingdee.BOS.DomainModelDesigner.ViewManager.SolutionView_SolutionAction(Object sender, SolutionActionArgs e)
错误数据： System.Collections.ListDictionaryInternal