System.InvalidOperationException: Unable to resolve service for type 'O code example
Example: System.InvalidOperationException: Unable to resolve service for type 'Microsoft.Extensions.Logging.ILogger`1
public void ConfigureServices(IServiceCollection services)
{
var serviceProvider = services.BuildServiceProvider();
var logger = serviceProvider.GetService<ILogger<AnyClass>>();
services.AddSingleton(typeof(ILogger), logger);
...
}