I recently upgraded my Visual Studio 2017 Community Edition from version 15.6.2 to 15.6.3 and since then I have not been able to successfully deploy my .NET Core 2.0 web applica
I resolved a similar issue by creating a new Publish Profile. It worked for me. Please give a try.
I fixed the issue by deleting the sdk\2.1.102 folder as suggested by @NikolaiT and @Jerry Liu.
I also found that the issue was fixed by upgrading to Visual Studio 2017 verion 15.6.4, as a new sdk was installed. The new sdk version was 2.1.103.
I had the same problem with the publishing and a local build.
The developer community has a discussion about this https://developercommunity.visualstudio.com/content/problem/218674/assets-file-cxxxxxxobjprojectassetsjson-doesnt-hav.html
Resharper and MS people found the problem and promised to fix it soon...
For now, deletion of the sdk\2.1.102 and the restart solved my problems
The problem is fixed in ReSharper 2017.3.5, everything works with all combinations of Visual Studio and .NET Core SDK. You can find more technical details in the official blog post: https://blog.jetbrains.com/dotnet/2018/03/23/build-failures-visual-studio-15-6-3-resharper-ultimate-2017-3-5-rescue/