How can i fix it?

I ran this program to start fixing my downloaded cc item and I get this error message, how do I fix it? 
This is that error message
:The Sims 4 Studio - Version 3.1.6.3

System.Exception: Linked resource has external count.

위치: S4Studio.Data.IO.Core.LinkedResourceSerializer.Read(Stream stream, IReferenceList resources)

위치: S4Studio.Data.IO.Core.LinkedResource.Read(Stream stream, IReferenceList resources)

위치: S4Studio.Data.IO.Package.DBPFPackage.FetchResource(Type t, IDBPFResourcePointer index, Boolean nocache)

위치: S4Studio.Data.IO.Package.DBPFPackage.FetchResource[T](IDBPFResourcePointer index, Boolean nocache)

위치: S4Studio.Data.IO.Package.DBPFPackage.FetchResource[T](IDBPFResourcePointer index)

위치: S4Studio.Data.PackageResourceProviderBase.FetchResourceData[TResource](IResourceHandle resourceHandle, Boolean useDefault)

위치: S4Studio.Data.ResourceProvider.GetResourceData[TResource](IResourceHandle resourceHandle, Boolean useDefault)

위치: S4Studio.Data.ResourceHandle.Data[TResource]()

위치: S4Studio.ViewModels.Generic.Sims4CustomContent.<MeshesFromModel>d__29.MoveNext()

위치: System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection)

위치: S4Studio.ViewModels.BuildBuy.FoundationSwatchContent.get_RenderableMeshes()

위치: S4Studio.Converters.Sims4MeshConverter.Convert(Object value, Type targetType, Object parameter, CultureInfo culture)

위치: System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)

위치: System.Windows.Data.BindingExpression.Activate(Object item)

위치: System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)

위치: System.Windows.Data.BindingExpression.MS.Internal.Data.IDataBindEngineClient.AttachToContext(Boolean lastChance)

위치: MS.Internal.Data.DataBindEngine.Task.Run(Boolean lastChance)

위치: MS.Internal.Data.DataBindEngine.Run(Object arg)

위치: MS.Internal.Data.DataBindEngine.OnLayoutUpdated(Object sender, EventArgs e)

위치: System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()

위치: System.Windows.ContextLayoutManager.UpdateLayout()

위치: System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)

위치: System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()

위치: System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()

위치: System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)

위치: System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)

위치: System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)

위치: System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)