An assembly specified in the application dependencies manifest (Microsoft.NETCore.App.deps.json) was not found

Question

Two months ago i had done an.Net 5 web Api that worked fine, today I'm updating my entities and when i add a new migration appeared an error: An assembly specified in the application dependencies manifest (Microsoft.NETCore.App.deps.json) was not found: package: 'runtime.win-x64.Microsoft.NETCore.App', version: '5.0.9-servicing.21359.8' path: 'runtimes/win-x64/lib.net5.0/System.Security.Principal.Windows.dll'

I have been searching but i have not found anything, I supposed to add some package or do I miss something? I'm using .net 5, Entity framework core, Visual studio 2019

Answer 1

Visiting https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-x64/ does not show version 5.0.9-servicing.21359.8 as available. Most likely because it is a pre-release version that has been removed since the official release of 5.0.9 .

Cleaning your working directory and updating to version 5.0.9 should fix this.

Answer 2

For me to slove this problem: Uninstall and Install the package from NuGet Also you can upgrade the package it's working for me

Answer 3

Even after one year, the issue still persists. For me, the version showing error was version: '6.0.11' , although my .NET Core version was 6. There has been only one workaround I found to fix this.
Update the .NET Core version(to latest if possible(recommended)),
and change Target version of Solution in Settings.

Answer 4

I resolved it by updating the runtime, I downloaded it on this page https://do.net.microsoft.com/en-us/download/do.net this worked for me