Duplicate AssemblyVersion Attribute
Starting from Visual Studio 2017 another solution to keep using the AssemblyInfo.cs
file is to turn off automatic assembly info generation like this:
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<GenerateAssemblyInfo>false</GenerateAssemblyInfo>
</PropertyGroup>
</Project>
I personally find it very useful for projects which need to support both .NET Framework and .NET Standard.
I have also run into this issue in the past, so I am going to assume that your build process provides assembly information separately to providing versioning. And that causes a duplication as your project also has that info in the AssemblyInfo.cs
file. So remove the file and I think it should work.