Using Visual Studio 2019 I installed AutoMapper version 8.1.0 via NuGet. When I try to add the services.AddAutoMapper() call though in my Startup.cs file I get a compiler error that the method doesn't exist.
I've already tried to do a dotnet clean and dotnet restore from the NuGet console but that didn't help.
It is an old thread, however the solution for this problem is to install Automapper.Extensions.Microsoft.DependencyInjection package along with your automapper package.
I hope it helps.
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