1>  /Library/Frameworks/Xamarin.iOS.framework/Versions/Current/bin/mtouch @/Users/dimitardikov/Library/Caches/Xamarin/mtbs/builds/TestEFC3XamarinApp.iOS/5d4227d5a1d5f09cc12c4b4c2e076a17/obj/iPhone/Debug/response-file.rsp 
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(842,3): error MT2101: Can't resolve the reference 'System.Void System.Diagnostics.CodeAnalysis.DoesNotReturnIfAttribute::.ctor(System.Boolean)', referenced from the method 'System.Void Microsoft.EntityFrameworkCore.Utilities.Check::DebugAssert(System.Boolean,System.String)' in 'netstandard, Version=2.1.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'.