Я пытаюсь установить существующий проект в ядре Do tnet, но я получаю сообщение об ошибке
<PropertyGroup>
<TargetFrameworks>netcoreapp2.1</TargetFrameworks>
<StartupObject></StartupObject>
<!--<PreserveCompilationContext>true</PreserveCompilationContext>
<MvcRazorCompileOnPublish>true</MvcRazorCompileOnPublish>-->
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Boilerplate.AspNetCore" Version="3.0.0" />
<PackageReference Include="BuildBundlerMinifier" Version="2.8.391" />
<PackageReference Include="Captcha" Version="4.4.2" />
<PackageReference Include="linqtotwitter" Version="5.0.0" />
<PackageReference Include="Microsoft.AspNet.Identity.Core" Version="2.2.2" />
<PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.2" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="1.1.0" />
<PackageReference Include="Microsoft.CodeAnalysis.Common" Version="3.2.1" />
</ItemGroup>