ReSharper shows errors in VS 2017 preview 4 with .NetStandard 2.0 libraries

In VS 2017 Preview 4, UWP can now use DotNetStandard 2.0 libraries. but ReSharper shows errors.

Steps to reproduce.

1. Installl VS 2017 Preview 4 from here https://www.visualstudio.com/en-us/news/releasenotes/vs2017-preview-relnotes

2. Install .NET Standard 2.0  from Install the preview version of the .NET Core 2.0.2 SDK. Install the x86 version here. Install the x64 version here.
3. Create blank UWP app  => App1
4. Add .NET Standard Library and set version to 2.0 => ClassLibrary1.Class1
5. Reference ClassLibrary1 from App1
4. Create instance of Class1 
    ClassLibrary1.Class1 c = new ClassLibrary1.Class1();

5. Run app and evetthing is working.

Now install ReSharper and it will shows errors "Cannot resolve ClassLibrary1" 

I will appreciate, if you respond.

Thanks,

Alan K