dotnet msbuild LibUsbDotNet.sln under ubuntu yields the following errors:
/home/ubuntu/dotnet/dotnet/sdk/3.1.102/Microsoft.Common.CurrentVersion.targets(1175,5): error MSB3644: The reference assemblies for .NETFramework,Version=v4.5 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks [/home/ubuntu/LibUsbDotNet/src/Examples/Show.Info/Show.Info.csproj]
/home/ubuntu/dotnet/dotnet/sdk/3.1.102/Sdks/Microsoft.NET.Sdk/targets/Microsoft.PackageDependencyResolution.targets(234,5): error NETSDK1004: Assets file '/home/ubuntu/LibUsbDotNet/src/LibUsbDotNet.Generator/obj/project.assets.json' not found. Run a NuGet package restore to generate this file. [/home/ubuntu/LibUsbDotNet/src/LibUsbDotNet.Generator/LibUsbDotNet.Generator.csproj]
The hints point to v4.5 of .Net needed for LibUsbDotNet.
Do I need to find a version that is suited for sdk 3.1.102?
I am at an "M-pass".