packages.config could not be found after PackageReference migration · Issue #7848 · NuGet/Home · GitHub
Using PackageReference instead of packages.config doesn't appear to work · Issue #620 · oleg-shilo/wixsharp · GitHub
Make it easy for mortals to generate packages.config for an app · Issue #4053 · dotnet/runtime · GitHub
![Discussion] Installation Error when using NuGet's packages.config file · Issue #1 · manuelroemer/Nullable · GitHub Discussion] Installation Error when using NuGet's packages.config file · Issue #1 · manuelroemer/Nullable · GitHub](https://user-images.githubusercontent.com/30902964/65915409-b3767400-e3d3-11e9-8343-27898d2e59ca.png)