Type universe cannot resolve assembly: Microsoft.VisualStudio.Data

Question

Hi , I get this message whenever I open XAML file

System.Reflection.Adds.UnresolvedAssemblyException
Type universe cannot resolve assembly: Microsoft.VisualStudio.Data, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a.
   at System.Reflection.Adds.AssemblyProxy.GetResolvedAssembly()
   at System.Reflection.Adds.AssemblyProxy.GetHashCode()
   at Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.Reflectable`1.GetHashCode()
   at System.Collections.Generic.GenericEqualityComparer`1.GetHashCode(T obj)
   at System.Collections.Generic.HashSet`1.InternalGetHashCode(T item)
   at System.Collections.Generic.HashSet`1.Contains(T item)
   at Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.CanParentContextSupportType(Reflectable`1 type)
   at Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.GetTypeForReflectableType(Reflectable`1 reflectableType)
   at MS.Internal.Metadata.ClrType.GetTypeMetadata(Type type)
   at MS.Internal.Metadata.ClrType.get_BaseType()
   at MS.Internal.Design.Metadata.Xaml.XamlType.<GetAllAttachableProperties>d__7.MoveNext()
   at MS.Internal.Design.Metadata.Xaml.XamlType.<FindAttachableProperties>d__0.MoveNext()
   at Microsoft.Windows.Design.Metadata.Xaml.XamlExtensionImplementations.<FindAttachableProperties>d__7.MoveNext()
   at MS.Internal.VirtualModel.VirtualModelPropertyCollection.<GetUncachedProperties>d__0.MoveNext()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at MS.Internal.VirtualModel.VirtualModelPropertyCollection.GetEnumerator()
   at MS.Internal.VirtualModel.VirtualModelUtilities.WrapProperties(IVirtualModelItem item)
   at MS.Internal.VirtualModel.VirtualModelItem.System.ComponentModel.ICustomTypeDescriptor.GetProperties()
   at System.ComponentModel.TypeDescriptor.MergedTypeDescriptor.System.ComponentModel.ICustomTypeDescriptor.GetProperties()
   at System.ComponentModel.TypeDescriptor.GetPropertiesImpl(Object component, Attribute[] attributes, Boolean noCustomTypeDesc, Boolean noAttributes)
   at System.Windows.PropertyPath.ResolvePropertyName(String name, Object item, Type ownerType, Object context, Boolean throwOnError)
   at MS.Internal.Data.PropertyPathWorker.GetInfo(Int32 k, Object item, SourceValueState& svs)
   at MS.Internal.Data.PropertyPathWorker.ReplaceItem(Int32 k, Object newO, Object parent)
   at MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange)
   at MS.Internal.Data.ClrBindingWorker.AttachDataItem()
   at System.Windows.Data.BindingExpression.Activate(Object item)
   at System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
   at System.Windows.Data.BindingExpression.AttachOverride(DependencyObject target, DependencyProperty dp)
   at System.Windows.Data.BindingExpressionBase.Attach(DependencyObject target, DependencyProperty dp)
   at System.Windows.Data.BindingExpressionBase.OnAttach(DependencyObject d, DependencyProperty dp)
   at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
   at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
   at System.Windows.Data.BindingOperations.SetBinding(DependencyObject target, DependencyProperty dp, BindingBase binding)
   at System.Windows.FrameworkElement.SetBinding(DependencyProperty dp, BindingBase binding)
   at MS.Internal.GridControl.GridChildMarginAdorner.SetDragBinding(ModelItem source, Boolean dragging)
   at MS.Internal.GridControl.GridChildMarginAdornerProvider.ChildMarginAdornerPanel.CalcLayout(Boolean measure)
   at MS.Internal.GridControl.GridChildMarginAdornerProvider.ChildMarginAdornerPanel.MeasureOverride(Size availableSize)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at MS.Internal.Interaction.BaseAdornerLayout.Measure(UIElement adorner, Size constraint)
   at MS.Internal.Interaction.AdornerLayer.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.ContextLayoutManager.UpdateLayout()
   at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
   at System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)

Answer 1