Severity    Code    Description Project File    Line    Suppression State
Error       The "LinkAssemblies" task failed unexpectedly.
System.NullReferenceException: Object reference not set to an instance of an object.
   at Mono.Linker.TypeReferenceExtensions.<GetMethods>d__4.MoveNext()
   at Mono.Linker.Steps.TypeMapStep.TryMatchMethod(TypeReference type, MethodDefinition method)
   at Mono.Linker.Steps.TypeMapStep.<GetBaseMethodsInInterfaceHierarchy>d__12.MoveNext()
   at Mono.Linker.Steps.TypeMapStep.MapVirtualInterfaceMethod(MethodDefinition method)
   at Mono.Linker.Steps.TypeMapStep.MapVirtualMethods(TypeDefinition type)
   at Mono.Linker.Steps.TypeMapStep.MapType(TypeDefinition type)
   at Mono.Linker.Steps.TypeMapStep.MapType(TypeDefinition type)
   at Mono.Linker.Steps.TypeMapStep.ProcessAssembly(AssemblyDefinition assembly)
   at Mono.Linker.Steps.BaseStep.Process(LinkContext context)
   at Mono.Linker.Pipeline.Process(LinkContext context)
   at MonoDroid.Tuner.Linker.Process(LinkerOptions options, LinkContext& context)
   at Xamarin.Android.Tasks.LinkAssemblies.Execute(DirectoryAssemblyResolver res)
   at Xamarin.Android.Tasks.LinkAssemblies.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext() PartyMe.Android