title: Cannot load Main.axml layout Xamarin in Visual Studio 2015
body: <p>I tried the older versions of Android SDK but every time when I try to open Main.axml I get this error:</p>
  
  <blockquote>
    <p>System.ComponentModel.Composition.ImportCardinalityMismatchException:
    No exports were found that match the constraint: 
      ContractName    VisualStudioWorkspace
      RequiredTypeIdentity    Microsoft.CodeAnalysis.Workspace    at
    System.ComponentModel.Composition.Hosting.ExportProvider.GetExports(ImportDefinition
    definition, AtomicComposition atomicComposition)    at
    System.ComponentModel.Composition.Hosting.ExportProvider.GetExportsCore(Type
    type, Type metadataViewType, String contractName, ImportCardinality
    cardinality)    at
    System.ComponentModel.Composition.Hosting.ExportProvider.GetExportedValueCore[T](String
    contractName, ImportCardinality cardinality)    at
    Xamarin.VisualStudio.Android.MonoAndroidDesignerInterface.GetCodeModelBridge()
    in
    C:\data\lanes\3513\00fa5cc4\source\xamarinvs\src\Core\VisualStudio.Android\Designer\MonoAndroidDesignerInterface.cs:line
    154    at
    Xamarin.AndroidDesigner.DesignerProject.get_CodeModelBridge()    at
    Xamarin.AndroidDesigner.DesignerProject.d__175.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---    at
    System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
    task)    at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task)    at
    Xamarin.AndroidDesigner.DesignerProject.d__139.MoveNext()
    --- End of stack trace from previous location where exception was thrown ---    at
    System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task
    task)    at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task)    at
    Xamarin.AndroidDesigner.AndroidRenderSession.d__105.MoveNext()</p>
  </blockquote>