https://stackoverflow.com/questions/45978173/system-valuetuple-version-0-0-0-0-required-for-add-migration-on-net-4-6-1-claui
<PropertyGroup> <TargetFramework>net461</TargetFramework> .... <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType> </PropertyGroup>