Could not load assembly 'Windows.Foundation.UniversalApiContract.winmd error

Hiroki4505Hiroki4505 BRMember ✭✭
edited August 8 in Xamarin.Forms

Hello everyone, I have a .netstandard 2.0 project with my DbContext and Repository that i'm use for my databases. But when I reference Entity Framework Core and my Database Project in my Xamarin.Forms project to create my SQLite Database, the project xamarin.android report this following error:

The "ResolveLibraryProjectImports" task failed unexpectedly.
System.IO.FileNotFoundException: Could not load assembly 'Windows.Foundation.UniversalApiContract.winmd, Version=0.0.0.0, Culture=neutral, PublicKeyToken='. Perhaps it doesn't exist in the Mono for Android profile?
File name: 'Windows.Foundation.UniversalApiContract.winmd.dll'
at Java.Interop.Tools.Cecil.DirectoryAssemblyResolver.Resolve(AssemblyNameReference reference, ReaderParameters parameters)
at Java.Interop.Tools.Cecil.DirectoryAssemblyResolver.Resolve(String fullName)
at Xamarin.Android.Tasks.ResolveLibraryProjectImports.Extract(DirectoryAssemblyResolver res, ICollection1 jars, ICollection1 resolvedResourceDirectories, ICollection1 resolvedAssetDirectories, ICollection1 resolvedEnvironments)
at Xamarin.Android.Tasks.ResolveLibraryProjectImports.Execute()
at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
at Microsoft.Build.BackEnd.TaskBuilder.d__26.MoveNext() Lighteam.LittleTent.Xamarin.Android

if I delete the "using" of the database project from my App.xaml.cs, the error vanishs

I tried delete bin and obj folders, clean solution, rebuild, move to root and the error persists.

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